Stuttgart Indoor 1981
Ivan Lendl won the title, beating Chris Lewis 6–3 6–0 6–7 6–3 in the final.
Main draw 32 players
- 1🇺🇸Ivan LendlFinal · Champion
- 2🇺🇸Harold SolomonRound of 32 · Lost to Shlomo Glickstein
- 3🇵🇱Wojtek FibakSemifinals · Lost to Ivan Lendl
- 4🇦🇺Kim WarwickRound of 32 · Lost to Marcos Hocevar
- 5🇺🇸Kevin CurrenRound of 32 · Lost to Nick Saviano
- 6🇺🇸Pat DupreQuarterfinals · Lost to Chris Lewis
- 7🇬🇧Buster C MottramRound of 16 · Lost to Jan Norback
- 8🇸🇪Kjell JohanssonRound of 32 · Lost to Rod Frawley
- 🇳🇿Chris LewisFinal · Lost to Ivan Lendl
- 🇮🇱Shlomo GlicksteinSemifinals · Lost to Chris Lewis
- 🇸🇪Jan NorbackQuarterfinals · Lost to Shlomo Glickstein
- 🇦🇺John FitzgeraldQuarterfinals · Lost to Ivan Lendl
- Q🇫🇷Paul TorreQuarterfinals · Lost to Wojtek Fibak
- 🇿🇦Eddie EdwardsRound of 16 · Lost to Wojtek Fibak
- 🇩🇪Klaus EberhardRound of 16 · Lost to Pat Dupre
- 🇧🇷Marcos HocevarRound of 16 · Lost to Chris Lewis
- 🇺🇸Nick SavianoRound of 16 · Lost to Paul Torre
- 🇸🇪Per HjertquistRound of 16 · Lost to Ivan Lendl
- 🇦🇺Rod FrawleyRound of 16 · Lost to John Fitzgerald
- 🇩🇪Ulrich PinnerRound of 16 · Lost to Shlomo Glickstein
- Q🇩🇪Andreas MaurerRound of 32 · Lost to Chris Lewis
- 🇦🇺Brad DrewettRound of 32 · Lost to Paul Torre
- 🇦🇺Chris JohnstoneRound of 32 · Lost to Eddie Edwards
- Q🇩🇪Christoph ZipfRound of 32 · Lost to Pat Dupre
- 🇩🇪Damir KereticRound of 32 · Lost to John Fitzgerald
- 🇫🇷Dominique BedelRound of 32 · Lost to Wojtek Fibak
- Q🇸🇪Jan GunnarssonRound of 32 · Lost to Ulrich Pinner
- 🇳🇱Louk SandersRound of 32 · Lost to Klaus Eberhard
- 🇳🇿Onny ParunRound of 32 · Lost to Buster C Mottram
- 🇨🇿Pavel SlozilRound of 32 · Lost to Ivan Lendl
- 🇦🇹Peter FeiglRound of 32 · Lost to Jan Norback
- 🇳🇿Russell SimpsonRound of 32 · Lost to Per Hjertquist