{{Short description|Peruvian tennis player (born 2004)}} {{family name hatnote|Buse|Acurio|lang=Spanish}} {{Use dmy dates|date=May 2026}} {{Infobox tennis biography |name = Ignacio Buse |image = 20260424 Buse -Madrid.jpg |image_upright = .8 |caption = Buse at the [[2026 Mutua Madrid Open]] |fullname = Ignacio Buse Acurio |country = {{PER}} |residence = [[Barcelona]], Spain<br>[[Miami|Miami, Florida]], US<br>[[Lima]], Peru |birth_date = {{birth date and age|df=yes|2004|3|25}} |birth_place = Lima, Peru |height = {{convert|1.83|m|abbr=on}} |weight = |turnedpro = |plays = Right-handed (two-handed backhand) |careerprizemoney = US $1,278,808 |coach = [[Juan Lizariturry]] |singlesrecord = 20–14 <small>(at [[ATP Tour]] level, [[Grand Slam (tennis)|Grand Slam]] level, and in [[Davis Cup]])</small> |singlestitles = 1 |highestsinglesranking = No. 31 (25 May 2026) |currentsinglesranking = No. 31 (25 May 2026) |AustralianOpenresult = Q1 ([[2025 Australian Open – Men's singles qualifying|2025]]) |FrenchOpenresult = 1R ([[2026 French Open – Men's singles|2026]]) |Wimbledonresult = Q1 ([[2025 Wimbledon Championships – Men's singles qualifying|2025]]) |USOpenresult = 1R ([[2025 US Open – Men's singles|2025]]) |doublesrecord = 3–6 <small>(at ATP Tour level, Grand Slam level, and in Davis Cup)</small> |doublestitles = 0 |highestdoublesranking = No. 439 (16 October 2023) |currentdoublesranking = |AustralianOpenDoublesresult = |FrenchOpenDoublesresult = 1R ([[2026 French Open – Men's doubles|2026]]) |WimbledonDoublesresult = |USOpenDoublesresult = |updated = 24 May 2026 }}
'''Ignacio Buse Acurio''' (born 25 March 2004) is a Peruvian professional [[tennis]] player. He has a career-high [[Association of Tennis Professionals|ATP]] singles ranking of world No. 31 achieved on 25 May 2026 and a best doubles ranking of No. 439 achieved on 16 October 2023.<ref name=IB_RankingsHistory>{{Cite web|url=https://www.atptour.com/en/players/ignacio-buse/b0id/rankings-history|title=Ignacio Buse | Rankings History | ATP Tour | Tennis|website=ATP Tour}}</ref> He is the current No. 1 singles player from Peru.<ref>{{Cite web|url=https://www.atptour.com/en/rankings/singles?rankRange=0-5000®ion=PER|title= Peru | ATP Rankings | Singles}}</ref>
Buse has won one [[ATP Tour]] singles title at the [[2026 Hamburg Open]]. He represents [[Peru Davis Cup team|Peru]] at the [[Davis Cup]], where he has a W/L record of 1–0.<ref>{{Cite web|url=https://www.daviscup.com/en/players/player.aspx?id=800533823|title=Davis Cup - Players}}</ref>
==Early life== Buse was born in [[Lima]] to father Hans and mother Betty ({{nee}} Acurio).<ref>{{cite web |last=Martín |first=Marta |title=Ignacio Buse: ¿Quién es el tenista peruano que jugará el Abierto de Estados Unidos 2025? |url=https://www.olympics.com/es/noticias/ignacio-buse-quien-tenista-peruano-abierto-estados-unidos-2025 |website=[[Olympic Games|Olympics]] |access-date=21 May 2026 |language=es |date=23 August 2025}}</ref><ref name="Quelopana-2025">{{cite web |last=Quelopana |first=Felipe |title=Ignacio Buse: Entre el tenis, la cocina y el sueño de entrar al Top 100 del ATP |url=https://peru21.pe/deportes/ignacio-buse-entre-el-tenis-la-cocina-y-el-sueno-de-entrar-al-top-100-del-atp/ |website=[[Perú.21]] |access-date=21 May 2026 |language=es |date=14 September 2025}}</ref> His father is a tennis coach and former player. His paternal grandfather, Eduardo, and great-uncle, Enrique, were also tennis players, after whom {{ill|Estadio Hermanos Buse|es}} in Lima was named.<ref>{{cite web |last=Cruz Valdivia |first=Christian |title=Ignacio Buse: "Llevo con honor el apellido, sé que he heredado cositas de mi abuelo" {{!}} ENTREVISTA |url=https://elcomercio.pe/deporte-total/polideportivo/ignacio-buse-llevo-con-honor-el-apellido-se-que-he-heredado-cositas-de-mi-abuelo-copa-davis-tenis-peruano-noticia/ |website=[[El Comercio (Peru)|El Comercio]] |access-date=21 May 2026 |language=es |date=13 February 2024}}</ref> He is also the nephew of world-renowned chef [[Gaston Acurio]].<ref>{{cite web |last=McLean |first=Ross |title=Buse nets first win on grass to seal slice of history for Peru |url=https://www.itftennis.com/en/news-and-media/articles/buse-nets-first-win-on-grass-to-seal-slice-of-history-for-peru/ |website=[[International Tennis Federation]] |access-date=21 May 2026 |date=3 July 2022}}</ref>
Buse is of German descent through his great-grandfather.<ref>{{cite web |last=Schmitt |first=Anne |title=Tennis am Rothenbaum: Ignacio Buse: Sieg für Sieg in die Vergangenheit |url=https://www.bild.de/sport/mehr-sport/tennis-am-rothenbaum-ignacio-buse-sieg-fuer-sieg-in-die-vergangenheit-6a0d85bb3b7096456ac7d134 |website=[[Bild]] |access-date=21 May 2026 |language=de |date=20 May 2026}}</ref> He began playing tennis at the Country Club de Villa in Lima. He later moved to [[Barcelona]] to train at the TEC Academy under [[Albert Costa]].<ref name="Quelopana-2025" />
==Career== ===2022: Juniors=== Buse was a runner-up in the [[2022 French Open – Boys' doubles|boys' doubles]] category at the [[2022 French Open]], with compatriot [[Gonzalo Bueno (tennis)|Gonzalo Bueno]]. He had good results on the [[ITF junior circuit]], maintaining a 77–38 singles win-loss record and reached an [[International Tennis Federation|ITF]] junior combined ranking of world No. 9 on 3 January 2022.<ref>{{cite web|url=https://www.itftennis.com/en/players/ignacio-buse/800533823/per/jt/s/overview/ |title=Ignacio Buse Junior Results}}</ref>
===2023: First Challenger doubles final=== In August, Buse reached his first Challenger doubles final in [[2023 Lima Challenger|Lima]] partnering with [[Jorge Panta]].<ref>{{Cite web|url=https://www.tennistourtalk.com/101728/guillen-meza-captures-maiden-challenger-trophy-in-lima|title=Guillen Meza Captures Maiden Challenger Trophy In Lima|first=Florian|last=Heer|date=August 27, 2023}}</ref>
===2024: First Challenger singles final, top 250=== In February, Buse received a wildcard for the qualifying competition at the [[2024 Chile Open]]. In August, he reached his first Challenger singles final in [[2024 Città di Como Challenger|Como]], losing to [[Gabriel Debru]] in the final.<ref>{{cite web | url=https://www.atptour.com/en/news/debru-buse-como-challenger-2024-final | title=#NextGenATP Debru joins Gasquet, Monfils in French Challenger history | ATP Tour | Tennis|date=2 September 2024 }}</ref>
===2025: Major, ATP and Top 125 debuts=== In February, Buse made his [[ATP Tour]] debut at the [[2025 Chile Open]], where he received a main draw wildcard, where he lost in the first round to eventual champion [[Laslo Djere]].<ref>{{cite web|url=https://www.chileopen.cl/noticias/confirmadas-las-wild-card-para-el-cuadro-principal- |title= ¡Confirmadas las Wild Card para el cuadro principal!|language=es}}</ref><ref> {{cite web |url=https://www.infobae.com/peru/deportes/2026/01/28/ignacio-buse-retorna-al-atp-250-de-chile-el-certamen-que-marco-su-primer-paso-en-el-circuito-maximo-profesional/ |title=Ignacio Buse retorna al ATP 250 de Chile, el certamen que marcó su primer paso en el circuito máximo profesional |date=28 January 2026 |language=es}}</ref>
In April, Buse reached the semifinals at the [[2025 Open Aix Provence|Aix Provence Open]] as a qualifier, with wins over second seed [[Luciano Darderi]], his first top 50 win,<ref>{{cite web|url=https://panamericana.pe/deportes/441678-orgullo-ignacio-buse-vence-numero-46-mundo-avanza-challenger-aix |title= ¡ORGULLO! IGNACIO BUSE VENCE AL NÚMERO 46 DEL MUNDO Y AVANZA EN EL CHALLENGER DE AIX |date=2 May 2025|language=es}}</ref> and [[Reilly Opelka]].<ref>{{cite web|url=https://www.tennisactu.net/news-aix-ch-coric-fonce-en-demies-wawrinka-vise-son-premier-dernier-carre-en-2025-115808.html|title= Aix (CH) - Stan Wawrinka disputera sa première demi-finale de l'année samedi|date=2 May 2025|language=fr}}</ref><ref>{{cite web|url=https://elcomercio.pe/deporte-total/ignacio-buse-clasifico-a-semifinales-del-open-aix-provence-en-francia-noticia/|title=Buse clasificó a semifinales del Open Aix Provence|date=2 May 2025|language=es}}</ref><ref>{{cite web|url=https://www.atptour.com/en/news/wawrinka-basavareddy-aix-en-provence-challenger-2025-friday |title= Wawrinka, Coric remain on collision course at Aix-en-Provence Challenger |date=2 May 2025|website=ATPTour}}</ref> As a result, Buse rose close to 40 positions up, reaching the top 175 in the singles rankings on 5 May 2025.<ref>{{cite web|url=https://www.infobae.com/peru/deportes/2025/04/30/ignacio-buse-sigue-brillando-en-francia-y-dio-firme-paso-en-su-carrera-peruano-entrara-al-top-200-del-ranking-atp-por-primera-vez/|title= Ignacio Buse sigue brillando en Francia y dio firme paso en su carrera: peruano entrará al top 200 del ránking ATP por primera vez|date=30 April 2025|language=es}}</ref>
In June, Buse won his maiden [[ATP Challenger Tour|Challenger]] title at the [[2025 Heilbronner Neckarcup|2025 Neckarcup 2.0]], defeating [[Guy den Ouden]] in the final.<ref>{{Cite web |title=Wu Yibing wins all-Chinese Challenger final in fourth outing of year {{!}} ATP Tour {{!}} Tennis|url=http://www.atptour.com/en/news/wu-yibing-zhou-yi-tyler-challenger-2025-final |date=9 June 2025|access-date=2025-06-12 |website=ATP Tour|language=en}}</ref><ref>{{cite web|url=https://www.tennis.com/news/articles/ignacio-buse-the-peruvian-talent-who-is-breaking-the-mold-atp-challenger-tour |title= Ignacio Buse: The Peruvian talent who is breaking the mold |date=27 June 2025|accessdate=16 November 2025}}</ref> As a result he reached a career high singles ranking of world No. 152 on 9 June 2025.<ref name=IB_RankingsHistory /> Buse entered his second [[ATP Tour]] tournament as a qualifier, at the [[2025 Swiss Open Gstaad – Singles|Swiss Open]] and defeated fifth seed Laslo Djere, recording his first ATP win.<ref>{{cite web|url=https://peru21.pe/deportes/tenista-peruano-ignacio-buse-logra-su-primera-cictoria-en-el-atp-de-gstaad/|title= ¡Histórico! Tenista peruano Ignacio Buse logra su primera victoria en el ATP de Gstaad|publisher=peru21.pe|date= 14 July 2025 |accessdate=14 July 2025 |language=es}}</ref> He reached his first ATP Tour semifinal by defeating [[Kamil Majchrzak]] in the second round,<ref>{{cite web|url=https://peru21.pe/deportes/peruano-ignacio-buse-vencio-majchrzak-y-clasifico-cuartos-de-final-atp-gstaad/|title= Peruano Ignacio Buse venció 2-1 a Majchrzak y clasificó a cuartos del ATP Gstaad|publisher=peru21.pe| date=16 July 2025 |accessdate=16 July 2025 |language=es}}</ref> and [[Román Andrés Burruchaga]] in the quarterfinals.<ref>{{cite web|url=https://peru21.pe/deportes/ignacio-buse-le-gano-roman-burruchaga-en-atp-gstaad-y-clasifico-semifinal/|title= ¡A LA SEMIFINAL! Ignacio Buse le ganó 2-1 a Román Burruchaga en el ATP Gstaad|publisher=peru21.pe|date=18 July 2025|accessdate=18 July 2025 |language=es}}</ref> As a result Buse reached a new career-high in the top 150 on 21 July 2025.<ref name=IB_RankingsHistory /><ref>{{cite web|url=https://www.claytenis.com/interviews/peru-is-back-on-tour-with-ignacio-buse-things-are-finally-falling-into-place/ |title= Peru is back on tour with Ignacio Buse: “Things are finally falling into place” |date=22 July 2025|accessdate=16 November 2025}}</ref> He lost to [[Juan Manuel Cerúndolo]] in the semifinal.<ref>{{Cite web |title=Bublik unlocks new milestone with Gstaad SF win {{!}} ATP Tour {{!}} Tennis |url=https://www.atptour.com/en/news/bublik-cazaux-gstaad-2025-sf |date=19 July 2025|access-date=2025-07-19 |website=ATP Tour |language=en}}</ref>
In August, Buse made his Grand Slam debut as a qualifier at the [[2025 US Open – Men's singles|US Open]].<ref>{{cite web|url=https://www.atptour.com/en/news/prizmic-us-open-2025-qualifying-final|title = Surging #NextGenATP star Prizmic qualifies at US Open |date=22 August 2025|website=ATP Tour}}</ref> He lost to sixth seed [[Ben Shelton]] in the first round.<ref>{{cite web|url=https://www.espn.com/tennis/story/_/id/46065064/us-open-2025-first-round-men-singles-results-roundup-sunday-august-24|title = Americans Ben Shelton, Taylor Fritz cruise in US Open 1st round |date=24 August 2025|website=ESPN}}</ref> In September, Buse won his second [[ATP Challenger Tour|Challenger]] title at the [[2025 Copa Sevilla|Copa Sevilla]], defeating [[Genaro Alberto Olivieri|Genaro Olivieri]] in the final.<ref>{{cite web|url=https://www.tennistourtalk.com/125745/buse-battles-past-olivieri-to-claim-lxii-copa-sevilla-title|title=Buse Battles Past Olivieri To Claim LXII Copa Sevilla Title|publisher=tennistourtalk.com|date=6 September 2025|accessdate=7 September 2025}}</ref><ref>{{cite web|url=https://www.tennis.com/news/articles/all-the-sacrifices-paid-off-ignacio-buse-wins-2nd-challenger-title-in-three-months|title= "All the sacrifices paid off!": Ignacio Buse wins 2nd Challenger title in three months|date=8 September 2025| accessdate=16 November 2025 }}</ref> At the [[2025 Uruguay Open]] in Montevideo, Buse reached his third Challenger final of the season. As a result climbed to a career-high in the top 105 in the singles rankings on 17 November 2025.<ref>{{cite web|url=https://www.atptour.com/en/news/montevideo-challenger-2025-friday-report |title= Buse, Burruchaga building towards Top 100 debut at Montevideo Challenger|website=ATPTour|date=14 November 2025}}</ref>
===2026: First ATP title, Masters debut & first wins, top 35=== Buse reached the top 100 on 5 January 2026. Ranked No. 91 at the ATP 500 [[2026 Rio Open]], Buse reached a semifinal at the ATP 500-level for the first time and only his second time at the tour-level, with wins over Brazilian [[Igor Marcondes]], third seed and another local favorite [[João Fonseca (tennis)|João Fonseca]] and [[Matteo Berrettini]].<ref> {{cite web|url=https://www.atptour.com/en/news/rio-de-janeiro-2026-friday-report|title= Buse survives Berrettini, rain delays in Rio de Janeiro QFs |date=21 February 2026|accessdate=20 February 2026}}</ref>
In March, Buse made his [[ATP Masters 1000 tournaments|Masters 1000]] debut at the [[2026 Miami Open|Miami Open]] as a qualifier, but lost in the first round to [[Damir Džumhur]].<ref>{{cite web|url=https://peru21.pe/deportes/ignacio-buse-vs-damir-dzumhur-en-vivo-espn-online-debut-master-1000-miami-2026/|title= Lo dio todo: Ignacio Buse cayó ante Damir Dzumhur en el Master 1000 de Miami|publisher=peru21.pe| date=19 March 2026 |accessdate=19 March 2026 |language=es}}</ref>
In May at the ATP 500 [[2026 Hamburg Open]], as a qualifier, Buse reached again an ATP semifinal defeating fourth seed and defending champion [[Flavio Cobolli]],<ref> {{cite web|url=https://www.atptour.com/en/news/buse-cobolli-hamburg-2026-tuesday |title= Buse upsets defending champ Cobolli in Hamburg; Top seed Auger-Aliassime wins |website=ATPTour|date=19 May 2026}}</ref>[[Jakub Mensik]] and [[Ugo Humbert]]. He defeated lucky loser [[Aleksandar Kovacevic (tennis)|Aleksandar Kovacevic]] to reach his first ATP Tour final, becoming the fourth Peruvian singles finalist at an ATP event in the [[Open Era]] (since 1969), and the first Peruvian to reach this stage since [[Luis Horna]] at [[2007 Movistar Open – Singles|2007 Viña del Mar]].<ref> {{cite web|url=https://www.atptour.com/en/news/hamburg-2026-sfs-friday|title= Paul earns comeback win, sets Buse final in Hamburg | website=ATPTour| date=22 May 2026}} </ref> Buse defeated [[Tommy Paul (tennis)|Tommy Paul]] in the final to become the first Peruvian titlist since Horna in 2007 and the first to win an ATP 500 title since [[Jaime Yzaga]] in [[1993 Ansett Australian Indoor Championships – Singles|1993]]. He was the third qualifier to win an ATP 500 crown in series history (since 2009), after [[Nikoloz Basilashvili]] won Hamburg in 2018 and [[Daniil Medvedev]] in Tokyo that same year. As a result he reached the top 35 in the singles rankings, following the tournament, on 25 May 2026.<ref> {{cite web|url=https://www.puntodebreak.com/en/2026/05/21/buse-extends-his-dream-in-hamburg-and-will-arrive-in-paris-among-the-top-50-in-the-world|title= Buse extends his dream in Hamburg and will arrive in Paris among the top 50 in the world|date=21 May 2026}} </ref><ref>{{cite web|url=https://www.atptour.com/en/news/paul-buse-hamburg-2026-final|title=Buse brilliance in Hamburg! Peruvian qualifier stuns Paul to claim maiden title|website=ATPTour|date=23 May 2026}}</ref><ref> {{cite web|url=https://www.atptour.com/en/news/buse-first-time-winner-spotlight-hamburg-2026|title= Buse on Hamburg triumph & love for Peru: First-Time Winner Spotlight |website=ATPTour|date=23 May 2026}} </ref>
==Performance timeline== {{Performance key|short=yes|active=no}}
===Singles=== ''Current through the [[2026 French Open – Men's singles|2026 French Open]].''
{|class="wikitable" style=text-align:center |- !Tournament!![[2025 ATP Tour|2025]]!![[2026 ATP Tour|2026]]!!SR!!W–L!!Win% |- | colspan="11" style="text-align:left" |[[Grand Slam (tennis)|'''Grand Slam tournaments''']] |- |align=left|[[Australian Open]] |style=background:#ecf2ff|[[2025 Australian Open – Men's singles qualifying|Q1]] |A !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[French Open]] |style=background:#ecf2ff|[[2025 French Open – Men's singles qualifying|Q1]] |style=background:#afeeee|[[2025 French Open – Men's singles|1R]] !0 / 1 !0–1 !{{tennis win percentage|won=0|lost=1|integer=yes}} |- |align=left|[[Wimbledon Championships|Wimbledon]] |style=background:#ecf2ff|[[2025 Wimbledon Championships – Men's singles qualifying|Q1]] | !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[US Open (tennis)|US Open]] |style=background:#afeeee|[[2025 US Open – Men's singles|1R]] | !0 / 1 !0–1 !{{tennis win percentage|won=0|lost=1|integer=yes}} |- | colspan="5" style="text-align:left" |'''[[ATP Masters 1000 tournaments|ATP Masters 1000]]''' |- |align=left|[[Indian Wells Masters]] |A |style=background:#ecf2ff|[[2026 BNP Paribas Open – Men's singles#Qualifying|Q2]] !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[Miami Open (tennis)|Miami Open]] |A |style=background:#afeeee|[[2026 Miami Open – Men's singles|1R]] !0 / 1 !0–1 !{{tennis win percentage|won=0|lost=1|integer=yes}} |- |align=left|[[Monte Carlo Masters]] |A |style=background:#ecf2ff|[[2026 Monte-Carlo Masters – Singles#Qualifying|Q1]] !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[Madrid Open (tennis)|Madrid Open]] |A |style=background:#afeeee|[[2026 Mutua Madrid Open – Men's singles|2R]] !0 / 1 !1–1 !{{tennis win percentage|won=1|lost=1|integer=yes}} |- |align=left|[[Italian Open (tennis)|Italian Open]] |A |style=background:#afeeee|[[2026 Italian Open – Men's singles|2R]] !0 / 1 !1–1 !{{tennis win percentage|won=1|lost=1|integer=yes}} |- |align=left|[[Canadian Open (tennis)|Canadian Open]] |A | !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[Cincinnati Open|Cincinnati Masters]] |A | !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[Shanghai Masters (tennis)|Shanghai Masters]] |A | !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[Paris Masters]] |A | !0 / 0 !0–0 !{{tennis win percentage|won=0|lost=0|integer=yes}} |- !style=text-align:left|'''Win–loss''' !0–1 !2–3 !0 / 4 !2–4 !{{tennis win percentage|won=2|lost=4|integer=yes}} |- |colspan=10 style=text-align:left|'''Career statistics''' |-bgcolor=efefef |style=text-align:left|Tournaments |4 |10 |colspan=3|'''Career total: 14''' |-style="font-weight:bold;background:#efefef" |style=text-align:left|Titles |0 |1 |colspan=3|Career total: 1 |-style="font-weight:bold;background:#efefef" |style=text-align:left|Finals |0 |1 |colspan=3|Career total: 1 |-style=font-weight:bold;background:#efefef |style=text-align:left|Overall win–loss |6–4 |12–9 |1 / 14 |20–15 |{{tennis win percentage|won=20|lost=15|integer=yes}} |-bgcolor=efefef |align=left|'''Year-end ranking''' |105 | |colspan="3" |'''$1,278,808''' |}
==ATP Tour Finals==
===Singles: 1 (title)=== {| |- valign=top | {|class="wikitable" style=font-size:90% !Legend |- style="background:#f3e6d7;" |[[Grand Slam (tennis)|Grand Slam]] (–) |- style="background:#e9e9e9;" |[[ATP Masters 1000 tournaments|ATP 1000]] (–) |- style="background:#d4f1c5;" |[[ATP 500 tournaments|ATP 500]] (1–0) |- |[[ATP 250 tournaments|ATP 250]] (–) |} | {|class="wikitable" style=font-size:90% !Finals by surface |- |Hard (–) |- |Clay (1–0) |- |Grass (–) |} | {|class="wikitable" style=font-size:90% !Finals by setting |- |Outdoor (1–0) |- |Indoor (–) |} |}
{|class="wikitable" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Opponent !class="unsortable"|Score |- |bgcolor=98fb98|Win |<small>1–0</small> |[[2026 Hamburg Open – Men's singles|{{dts|May 2026}}]] |style=background:#d4f1c5|[[Hamburg European Open|Hamburg Open]], Germany |style=background:#d4f1c5|ATP 500 |Clay |{{flagicon|USA}} [[Tommy Paul (tennis)|Tommy Paul]] |7–6<sup>(8–6)</sup>, 4–6, 6–3 |}
==ATP Challenger Tour finals== {{legend table|width=auto|moccasin|Challenger}}
===Singles: 4 (2 titles, 2 runner-ups)===
{|class="wikitable" style=font-size:97% !Finals by surface |- |Hard (–) |- |Clay (2–2) |}
{|class="sortable wikitable" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Surface !Opponent !class="unsortable"|Score |- |bgcolor=ffa07a|Loss |<small>0–1</small> |[[2024 Città di Como Challenger – Singles|{{dts|Aug 2024}}]] |style="background:moccasin;"|[[2024 Città di Como Challenger|Città di Como Challenger]], Italy |Clay |{{flagicon|FRA}} [[Gabriel Debru]] |1–6, 6–2, 3–6 |- |bgcolor=98fb98|Win |<small>1–1</small> |[[2025 Heilbronner Neckarcup – Singles|{{dts|Jun 2025}}]] |style="background:moccasin;"|[[2025 Heilbronner Neckarcup|Neckarcup 2.0]], Germany |Clay |{{flagicon|NED}} [[Guy den Ouden]] |7–5, 7–5 |- |bgcolor=98fb98|Win |<small>2–1</small> |[[2025 Copa Sevilla – Singles|{{dts|Sep 2025}}]] |style="background:moccasin;"|[[2025 Copa Sevilla|Copa Sevilla]], Spain |Clay |{{flagicon|ARG}} [[Genaro Alberto Olivieri|Genaro Olivieri]] |6–3, 3–6, 6–3 |- |bgcolor=ffa07a|Loss |<small>2–2</small> |[[2025 Uruguay Open – Singles|{{dts|Nov 2025}}]] |style="background:moccasin;"|[[2025 Uruguay Open|Uruguay Open]], Uruguay |Clay |{{flagicon|CHI}} [[Cristian Garín]] |7–6<sup>(7–3)</sup>, 2–6, 2–6 |}
===Doubles: 1 (runner-up)===
{|class="wikitable nowrap" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Surface !Partner !Opponents !class="unsortable"|Score |- |bgcolor=ffa07a|Loss |<small>0–1</small> |[[2023 Lima Challenger – Doubles|{{dts|Aug 2023}}]] |style="background:moccasin;"|[[2023 Lima Challenger|Lima Challenger]], Peru |Clay |{{flagicon|PER}} [[Jorge Panta]] |{{flagicon|PER}} [[Gonzalo Bueno (tennis)|Gonzalo Bueno]] <br>{{flagicon|PAR}} [[Daniel Vallejo]] |4–6, 2–6 |}
==ITF World Tennis Tour finals== {{legend table|width=auto|cffcff|World Tennis}}
===Singles: 5 (3 titles, 2 runner-ups)===
{|class="wikitable" style=font-size:97% !Finals by surface |- |Hard (–) |- |Clay (3–2) |}
{|class="sortable wikitable nowrap" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Surface !Opponent !class="unsortable"|Score |- |bgcolor=ffa07a|Loss |<small>0–1</small> |{{dts|Nov 2022}} |style="background:#cffcff;"|M15 Lima, Peru |Clay |{{flagicon|PER}} [[Gonzalo Bueno (tennis)|Gonzalo Bueno]] |4–6, 1–6 |- |bgcolor=98fb98|Win |<small>1–1</small> |{{dts|Oct 2023}} |style="background:#cffcff;"|M25 Mendoza, Argentina |Clay |{{flagicon|ARG}} Luciano Emanuel Ambrogi |7–6<sup>(7–4)</sup>, 6–3 |- |bgcolor=98fb98|Win |<small>2–1</small> |{{dts|Oct 2023}} |style="background:#cffcff;"|M25 Zapopan, Mexico |Clay |{{flagicon|USA}} [[Victor Lilov]] |6–3, 7–6<sup>(7–1)</sup> |- |bgcolor=ffa07a|Loss |<small>2–2</small> |{{dts|Mar 2024}} |style="background:#cffcff;"|M25 Tarragona, Spain |Clay |{{flagicon|GER}} [[Marko Topo]] |3–6, 6–2, 2–6 |- |bgcolor=98fb98|Win |<small>3–2</small> |{{dts|May 2024}} |style="background:#cffcff;"|M25 Vic, Spain |Clay |{{flagicon|ESP}} Albert Pedrico Kravtsov |6–3, 6–2 |}
===Doubles: 2 (1 title, 1 runner-up)===
{|class="sortable wikitable nowrap" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Surface !Partner !Opponents !class="unsortable"|Score |- |bgcolor=98fb98|Win |<small>1–0</small> |{{dts|Aug 2022}} |style="background:#cffcff;"|M15 Cancún, Mexico |Hard |{{flagicon|PER}} [[Jorge Panta]] |{{flagicon|ITA}} Marco Brugnerotto<br>{{flagicon|MDA}} [[Alexander Cozbinov]] |6–2, 7–6<sup>(7–5)</sup> |- |bgcolor=ffa07a|Loss |<small>1–1</small> |{{dts|Oct 2023}} |style="background:#cffcff;"|M25 Mendoza, Argentina |Clay |{{flagicon|BOL}} [[Juan Carlos Prado Ángelo]] |{{flagicon|PER}} [[Arklon Huertas del Pino]] <br>{{flagicon|PER}} [[Conner Huertas del Pino]] |4–6, 4–6 |}
==Junior Grand Slam finals==
===Doubles: 1 (runner-up)=== {|class="wikitable nowrap" |- !Result !Year !Tournament !Surface !Partner !width=150|Opponents !Score |- |bgcolor=ffa07a|Loss |[[2022 French Open – Boys' doubles|2022]] |style="background:#ebc2af;"|[[French Open]] |[[Clay court|Clay]] |{{flagicon|PER}} [[Gonzalo Bueno (tennis)|Gonzalo Bueno]] |{{flagicon|CRO}} [[Mili Poljičak]]<br>{{flagicon|LTU}} [[Edas Butvilas]] |4–6, 0–6 |}
==References== {{reflist}}
==External links== * {{ATP|B0ID}} * {{ITF|ignacio-buse/800533823/per}} * {{Davis Cup|new_id=f7ee3a77-db65-41e4-9702-fa6decf0bed5|old_id=800533823|archive=20250125003415}}
{{Top male singles tennis players from the Americas}} {{Top ten Latin American male singles tennis players}} {{Top male singles tennis players by country|PER}}
{{DEFAULTSORT:Buse, Ignacio}} [[Category:2004 births]] [[Category:Living people]] [[Category:21st-century Peruvian sportsmen]] [[Category:Competitors at the 2022 South American Games]] [[Category:Peruvian expatriate tennis players in the United States]] [[Category:Peruvian expatriate sportspeople in Spain]] [[Category:Peruvian male tennis players]] [[Category:Peruvian people of German descent]] [[Category:Tennis players from Lima]] [[Category:Long stubs with short prose]]