Ostende CH 1981
Jerome Potier won the title, beating Miloslav Lacek 6–2 6–2 in the final.
Main draw 32 players
- 1🇸🇪Anders JarrydQuarterfinals · Lost to Trevor Allan
- 2🇧🇪Bernard BoileauRound of 16 · Lost to Jiri Granat
- 3🇸🇪Jan GunnarssonRound of 16 · Lost to Stefan Svensson
- 4🇫🇷Eric DeblickerQuarterfinals · Lost to Miloslav Lacek
- 5🇦🇺Chris JohnstoneRound of 16 · Lost to Trevor Allan
- 7🇫🇷Jerome PotierFinal · Champion
- 8🇦🇺Wayne HampsonRound of 32 · Lost to Miloslav Lacek
- 🇨🇿Miloslav LacekFinal · Lost to Jerome Potier
- 🇦🇹Hans Peter KandlerSemifinals · Lost to Jerome Potier
- 🇦🇺Trevor AllanSemifinals · Lost to Miloslav Lacek
- 🇨🇿Jiri GranatQuarterfinals · Lost to Jerome Potier
- 🇸🇪Stefan SvenssonQuarterfinals · Lost to Hans Peter Kandler
- 🇧🇪Alain BoucherRound of 16 · Lost to Hans Peter Kandler
- 🇦🇺Cliff LetcherRound of 16 · Lost to Anders Jarryd
- 🇺🇸Erick IskerskyRound of 16 · Lost to Miloslav Lacek
- 🇬🇧John FeaverRound of 16 · Lost to Eric Deblicker
- 🇺🇸Scott LiptonRound of 16 · Lost to Jerome Potier
- 🇧🇪Alain BrichantRound of 32 · Lost to Hans Peter Kandler
- 🇫🇷Christophe CasaRound of 32 · Lost to Trevor Allan
- 🇦🇺Dale CollingsRound of 32 · Lost to John Feaver
- 🇺🇸Egan AdamsRound of 32 · Lost to Scott Lipton
- 🇳🇱Eric WilbortsRound of 32 · Lost to Anders Jarryd
- 🇦🇹Filip KrajcikRound of 32 · Lost to Jerome Potier
- 🇧🇪Jacques GrandjeanRound of 32 · Lost to Stefan Svensson
- 🇧🇪Jan Van LangendonckRound of 32 · Lost to Chris Johnstone
- 🇫🇷Jerome VanierRound of 32 · Lost to Eric Deblicker
- 🇺🇸Junie ChatmanRound of 32 · Lost to Erick Iskersky
- 🇿🇦Mike MyburgRound of 32 · Lost to Alain Boucher
- 🇧🇪Thierry StevauxRound of 32 · Lost to Bernard Boileau
- 🇦🇺Warren MaherRound of 32 · Lost to Jiri Granat
- 🇺🇸William BlazeRound of 32 · Lost to Cliff Letcher
- 🇨🇿Zdenek SlizekRound of 32 · Lost to Jan Gunnarsson