{{TennisEventInfo|1981|Swiss Indoors| | date=12–18 October | edition=13th | category=Grand Prix | draw=32S / 16D | prize_money=$75,000 | surface=Hard / indoor | location= Basel, Switzerland | venue=St. Jakobshalle | champs={{flagicon|TCH}} Ivan Lendl<ref name="ms">{{cite web |title=1981 Basel – Singles draw |url=https://www.atptour.com/en/scores/archive/basel/328/1981/draws?matchtype=singles |publisher=Association of Tennis Professionals (ATP)}}</ref> | champd={{flagicon|ROU|1965}} Ilie Năstase / {{flagicon|ARG}} José Luis Clerc<ref name="md">{{cite web |title=1981 Basel – Doubles draw |url=https://www.atptour.com/en/scores/archive/basel/328/1981/draws?matchType=doubles |publisher=Association of Tennis Professionals (ATP)}}</ref> }}
The '''1981 Swiss Indoors''' was a men's tennis tournament played on indoor hard courts at the St. Jakobshalle in Basel, Switzerland that was part of the 1981 Volvo Grand Prix. It was the 13th edition of the tournament and was held from 12 October through 18 October 1981. First-seeded Ivan Lendl won the singles title.
==Finals== ===Singles=== {{flagicon|TCH}} Ivan Lendl defeated {{flagicon|ARG}} José Luis Clerc 6–2, 6–3, 6–0 * It was Lendl's 6th singles title of the year and the 13th of his career.
===Doubles=== {{flagicon|ROU|1965}} Ilie Năstase / {{flagicon|ARG}} José Luis Clerc defeated {{flagicon|SUI}} Markus Günthardt / {{flagicon|TCH}} Pavel Složil 7–6, 6–7, 7–6
==References== {{reflist}}
==External links== * [http://www.swissindoorsbasel.ch Official website] * [https://www.itftennis.com/en/tournament/basle/sui/1981/m-gp-sui-03a-1981/draws-and-results/ ITF tournament edition details]
{{Swiss Indoors tournaments}} {{1981 Volvo Grand Prix}}
Swiss Indoors Category:Swiss Indoors Category:1981 in Swiss tennis