{{short description|Luxembourgish tennis player}} {{Infobox tennis biography |name = Alex Knaff |image = |caption = |fullname = |country = {{LUX}} |residence = |birth_date = {{birth date and age|df=yes|1997|11|26}} |birth_place = Luxembourg City, Luxembourg |height = {{convert|6|ft|4|in|cm|abbr=on}} |turnedpro = |coach = Gilles Müller |plays = Right-handed (two-handed backhand) |college = Florida State |careerprizemoney = $24,067 |singlesrecord = 2–6 <small> (at ATP Tour level, Grand Slam level, and in Davis Cup)</small> |singlestitles = 0 <br><small> 0 Challenger, 2 Futures </small> |highestsinglesranking = No. 486 (11 September 2023) |currentsinglesranking = |doublesrecord = 4–2 <small> (at ATP Tour level, Grand Slam level, and in Davis Cup)</small> |doublestitles = 0 <br><small> 0 Challenger, 7 Futures </small> |highestdoublesranking = No. 364 (11 September 2023) |currentdoublesranking = |updated = 30 October 2023 }}
'''Alex Knaff''' (born 26 November 1997) is a Luxembourgish tennis player.
Knaff has a career high ATP singles ranking of 486 achieved on 11 September 2023. He also has a career high ATP doubles ranking of 364 achieved on 11 September 2023.
Knaff represents Luxembourg at the Davis Cup since 2015, where he has a W/L record of 12–10.
Knaff played college tennis at Florida State University.<ref>{{cite web|url=https://seminoles.com/sports/tennis/roster/alex-knaff/|title=ALEX KNAFF|date=21 July 2017|website=Florida State Seminoles}}</ref>
==Future and Challenger finals==
===Singles 4 (3-3)=== {| |-valign=top | {| class="wikitable sortable" !Legend (singles) |-bgcolor=cffcff |ITF Futures Tour (3-3) |} | {| class="wikitable sortable" !Titles by surface |- |Hard (2–3) |- |Clay (1–0) |- |Grass (0–0) |- |Carpet (0–0) |} |} {|class=wikitable !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Opponent !class="unsortable"|Score |- |bgcolor=FFA07A|Loss |<small>0–1</small> |{{dts|May 2022}} |style="background:#cffcff;"|{{flagicon|MEX}} Mexico M15, Cancun |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|USA}} Brandon Holt |1–6, 2–6 |- |bgcolor=98FB98|Win |<small>1–1</small> |{{dts|Oct 2022}} |style="background:#cffcff;"|{{flagicon|USA}} USA M15, Tallahassee |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|USA}} William Grant |6–3, 6–0 |- |bgcolor=98FB98|Win |<small>2–1</small> |{{dts|July 2023}} |style="background:#cffcff;"|{{flagicon|LUX}} Luxembourg M25, Esch-sur-Alzette |style="background:#cffcff;"|World Tennis Tour |Clay |{{flagicon|GER}} Marlon Vankan |6–3, 6–1 |- |bgcolor=FFA07A|Loss |<small>2–2</small> |{{dts|October 2023}} |style="background:#cffcff;"|{{flagicon|EGY}} Egypt M15, Sharm El Sheikh |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|EGY}} Mohamed Safwat |4–6, 4–6 |- |bgcolor= 98FB98|Win |<small>3–2</small> |{{dts|March 2025}} |style="background:#cffcff;"|{{flagicon|THA}} Thailand M15, Nonthaburi |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|RUS}} Petr Bar Biryukov |6-1, 7-6<sup>(7–3)</sup> |- |bgcolor=FFA07A|Loss |<small>3-3</small> |{{dts|March 2025}} |style="background:#cffcff;"|{{flagicon|THA}} Thailand M15, Nonthaburi |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|FRA}} Etienne Donnet |4–6, 2–6 |- |}
===Doubles 14 (7–7)=== {| |-valign=top | {| class="wikitable sortable" !Legend (doubles) |-bgcolor=cffcff |ITF Futures Tour (7–6) |} | {| class="wikitable sortable" !Titles by surface |- |Hard (2–5) |- |Clay (4–1) |- |Grass (0–0) |- |Carpet (0–0) |} |} {|class=wikitable !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Partner !Opponents !class="unsortable"|Score |- |bgcolor=FFA07A|Loss |<small>0–1</small> |{{dts|Nov 2021}} |style="background:#cffcff;"|{{flagicon|USA}} United States M15, Ithaca |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|CAN}} Joshua Peck |{{flagicon|USA}} Vasil Kirkov<br>{{flagicon|GBR}} Luke Johnson |6–7<sup>(3–7)</sup>, 3–6 |- |bgcolor=FFA07A|Loss |<small>0–2</small> |{{dts|Mar 2022}} |style="background:#cffcff;"|{{flagicon|TUN}} Tunisia M15, Monastir |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|TUN}} Aziz Dougaz |{{flagicon|CHN}} Hanwen Li<br>{{flagicon|ARG}} Mateo Nicolas Martinez |1–6, 6–2, 8–10 |- |bgcolor=98FB98|Win |<small>1–2</small> |{{dts|Mar 2022}} |style="background:#cffcff;"|{{flagicon|TUN}} Tunisia M15, Monastir |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|TUN}} Aziz Dougaz |{{flagicon|JPN}} Tomohiro Masabayashi<br>{{flagicon|JPN}} Ren Nakamura |6–2, 6–4 |- |bgcolor=FFA07A|Loss |<small>1-3</small> |{{dts|Apr 2022}} |style="background:#cffcff;"|{{flagicon|USA}} United States M15, Sunrise |style="background:#cffcff;"|World Tennis Tour |Clay |{{flagicon|NED}} Alec Deckers |{{flagicon|MDA}} Alexander Cozbinov<br>{{flagicon|RSA}} Ruan Roelofse |4–6, 4–6 |- |bgcolor=98FB98|Win |<small>2-3</small> |{{dts|Jun 2022}} |style="background:#cffcff;"|{{flagicon|BEL}} Belgium M15, Duffel |style="background:#cffcff;"|World Tennis Tour |Clay |{{flagicon|LUX}} Chris Rodesch |{{flagicon|ARG}} Franco Emanuel Egea<br>{{flagicon|BRA}} Marcelo Zormann |6–1, 6–4 |- |bgcolor=98FB98|Win |<small>3-3</small> |{{dts|Jul 2022}} |style="background:#cffcff;"|{{flagicon|LUX}} Luxembourg M25, Esch-sur-Alzette |style="background:#cffcff;"|World Tennis Tour |Clay |{{flagicon|LUX}} Chris Rodesch |{{flagicon|LUX}} Raphael Calzi<br>{{flagicon|GER}} Marlon Vankan |6–1, 6–4 |- |bgcolor=98FB98|Win |<small>4-3</small> |{{dts|Jan 2023}} |style="background:#cffcff;"|{{flagicon|ESP}} Manacor M25, Manacor |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|SWE}} Filip Bergevi |{{flagicon|ESP}} Alberto Barroso Campos<br>{{flagicon|ESP}} Imanol López Morillo |3–6, 6–3, 16–14 |- |bgcolor=FFA07A|Loss |<small>4-4</small> |{{dts|Mar 2023}} |style="background:#cffcff;"|{{flagicon|EGY}} Sharm El Sheikh M15, Sharm El Sheikh |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|GER}} Jakob Schnaitter |{{flagicon|SVK}} Lukas Pokorny<br>{{flagicon|GEO}} Saba Purtseladze |3–4, 4–6 |- |bgcolor=FFA07A|Loss |<small>4-5</small> |{{dts|Mar 2023}} |style="background:#cffcff;"|{{flagicon|EGY}} Sharm El Sheikh M15, Sharm El Sheikh |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|GER}} Jakob Schnaitter |{{flagicon|RSA}} Alec Beckley<br>{{flagicon|BUL}} Petr Nesterov |6-3, 3–6, 8–10 |- |bgcolor=98FB98|Win |<small>5-5</small> |{{dts|May 2023}} |style="background:#cffcff;"|{{flagicon|BUL}} Pazardzhik M15, Pazardzhik |style="background:#cffcff;"|World Tennis Tour |Clay |{{flagicon|FRA}} Corentin Denolly |{{flagicon|ITA}} Riccardo Balzerani<br>{{flagicon|RUS}} Artsiom Sinitsyn |6-0, 6–0 |- |bgcolor=98FB98|Win |<small>6-5</small> |{{dts|July 2023}} |style="background:#cffcff;"|{{flagicon|LUX}} Luxembourg M25, Esch-sur-Alzette |style="background:#cffcff;"|World Tennis Tour |Clay |{{flagicon|LUX}} Chris Rodesch |{{flagicon|GRE}} Dimitris Sakellaridis<br>{{flagicon|GRE}} Stefanos Sakellaridis |6-3, 6–4 |- |bgcolor=98FB98|Win |<small>7-5</small> |{{dts|July 2023}} |style="background:#cffcff;"|{{flagicon|LUX}} Luxembourg M25, Esch-sur-Alzette |style="background:#cffcff;"|World Tennis Tour |Clay |{{flagicon|AUT}} David Pichler |{{flagicon|GRE}} Dimitris Sakellaridis<br>{{flagicon|GRE}} Stefanos Sakellaridis |1-6, 6–1, 12–10 |- |bgcolor=FFA07A|Loss |<small>7-6</small> |{{dts|Feb 2024}} |style="background:#cffcff;"|{{flagicon|ESP}} Villena M15, Villena |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|COL}} Adrià Soriano Barrera |{{flagicon|GER}} Liam Gavrielides<br>{{flagicon|ESP}} Alejo Sanchez Quilez |2-6, 4–6 |- |bgcolor=FFA07A|Loss |<small>7-7</small> |{{dts|Mar 2024}} |style="background:#cffcff;"|{{flagicon|ESP}} Torello M15, Torello |style="background:#cffcff;"|World Tennis Tour |Hard |{{flagicon|GER}} Niklas Schell |{{flagicon|GBR}} James Davis<br>{{flagicon|GBR}} Giles Hussey |1-6, 2–6 |}
==References== {{reflist}}
==External links== * {{ATP}} * {{ITF}} * {{Davis Cup|new_id=8b41357d-7acb-402b-a887-b9f1ba033e62|old_id=800410577|archive=20250125001810}}
{{Top male singles tennis players by country|LUX}}
{{DEFAULTSORT:Knaff, Alex}} Category:1997 births Category:Living people Category:Luxembourgian male tennis players Category:Sportspeople from Luxembourg City Category:Florida State Seminoles men's tennis players Category:Expatriate tennis players in the United States Category:Luxembourgian expatriate sportspeople in the United States Category:21st-century Luxembourgian sportsmen
{{Luxembourg-tennis-bio-stub}}