Rotterdam Open 1981
Jimmy Connors won the title, beating Gene Mayer 6–1 2–6 6–2 in the final.
Main draw 32 players
- 1🇺🇸Jimmy ConnorsFinal · Champion
- 2🇺🇸Gene MayerFinal · Lost to Jimmy Connors
- 3🇵🇱Wojtek FibakSemifinals · Lost to Gene Mayer
- 4🇫🇷Yannick NoahQuarterfinals · Lost to Brian Gottfried
- 5🇺🇸Brian GottfriedSemifinals · Lost to Jimmy Connors
- 6🇭🇺Balazs TaroczyRound of 32 · Lost to Buster C Mottram
- 7🇮🇳Vijay AmritrajRound of 16 · Lost to Raul Ramirez
- 8🇺🇸Bob LutzRound of 32 · Lost to Sandy Mayer
- 🇬🇧Buster C MottramQuarterfinals · Lost to Gene Mayer
- 🇲🇽Raul RamirezQuarterfinals · Lost to Wojtek Fibak
- 🇺🇸Sandy MayerQuarterfinals · Lost to Jimmy Connors
- 🇺🇸Bill ScanlonRound of 16 · Lost to Sandy Mayer
- 🇳🇱Eric WilbortsRound of 16 · Lost to Jimmy Connors
- 🇺🇸Fritz BuehningRound of 16 · Lost to Buster C Mottram
- 🇩🇪Rolf GehringRound of 16 · Lost to Yannick Noah
- 🇺🇸Tim GulliksonRound of 16 · Lost to Gene Mayer
- 🇨🇿Tomas SmidRound of 16 · Lost to Brian Gottfried
- 🇺🇸Trey WaltkeRound of 16 · Lost to Wojtek Fibak
- 🇪🇨Andres GomezRound of 32 · Lost to Bill Scanlon
- 🇧🇷Carlos KirmayrRound of 32 · Lost to Wojtek Fibak
- 🇳🇿Chris LewisRound of 32 · Lost to Brian Gottfried
- 🇿🇦Eddie EdwardsRound of 32 · Lost to Trey Waltke
- 🇸🇪Jan NorbackRound of 32 · Lost to Vijay Amritraj
- 🇺🇸Kevin CurrenRound of 32 · Lost to Gene Mayer
- 🇦🇺Kim WarwickRound of 32 · Lost to Tim Gullikson
- 🇸🇪Kjell JohanssonRound of 32 · Lost to Tomas Smid
- 🇳🇱Louk SandersRound of 32 · Lost to Fritz Buehning
- 🇪🇸Manuel OrantesRound of 32 · Lost to Raul Ramirez
- 🇳🇱Marc AlbertRound of 32 · Lost to Rolf Gehring
- 🇺🇸Pat DupreRound of 32 · Lost to Eric Wilborts
- 🇺🇸Peter RennertRound of 32 · Lost to Yannick Noah
- 🇺🇸Tim WilkisonRound of 32 · Lost to Jimmy Connors