Rosmalen 1990
Amos Mansdorf won the title, beating Alexander Volkov 6–3 7–6 in the final.
Main draw 32 players
- 1🇫🇷Yannick NoahRound of 32 · Lost to Milan Srejber
- 2🇨🇿Karel NovacekRound of 32 · Lost to Robbie Weiss
- 3🇨🇭Jakob HlasekRound of 16 · Lost to Glenn Layendecker
- 4🇳🇱Paul HaarhuisRound of 32 · Lost to David Engel
- 5🇺🇸Richey RenebergSemifinals · Lost to Amos Mansdorf
- 6🇺🇸Jim GrabbRound of 16 · Lost to Alexander Volkov
- 8🇺🇸Dan GoldieRound of 16 · Lost to Amos Mansdorf
- 🇮🇱Amos MansdorfFinal · Champion
- 🇷🇺Alexander VolkovFinal · Lost to Amos Mansdorf
- Q🇺🇸Patrick McEnroeSemifinals · Lost to Alexander Volkov
- 🇸🇪David EngelQuarterfinals · Lost to Richey Reneberg
- 🇺🇸Glenn LayendeckerQuarterfinals · Lost to Alexander Volkov
- Q🇸🇪Henrik HolmQuarterfinals · Lost to Amos Mansdorf
- 🇺🇸Robbie WeissQuarterfinals · Lost to Patrick McEnroe
- Q🇺🇸Bret GarnettRound of 16 · Lost to Robbie Weiss
- WC🇳🇱Jan SiemerinkRound of 16 · Lost to Patrick McEnroe
- 🇺🇸Jeff TarangoRound of 16 · Lost to David Engel
- 🇩🇪Michael StichRound of 16 · Lost to Richey Reneberg
- 🇨🇿Milan SrejberRound of 16 · Lost to Henrik Holm
- 🇩🇪Christian SaceanuRound of 32 · Lost to Glenn Layendecker
- Q🇳🇱Jacco EltinghRound of 32 · Lost to Jim Grabb
- 🇳🇿Kelly EverndenRound of 32 · Lost to Amos Mansdorf
- 🇸🇪Lars JonssonRound of 32 · Lost to Jan Siemerink
- 🇦🇺Mark WoodfordeRound of 32 · Lost to Richey Reneberg
- 🇳🇱Michiel SchapersRound of 32 · Lost to Henrik Holm
- PURMiguel NidoRound of 32 · Lost to Jeff Tarango
- 🇸🇰Miloslav MecirRound of 32 · Lost to Michael Stich
- LL🇳🇬Nduka OdizorRound of 32 · Lost to Jakob Hlasek
- 🇫🇷Olivier DelaitreRound of 32 · Lost to Alexander Volkov
- 🇸🇪Thomas HogstedtRound of 32 · Lost to Bret Garnett
- WC🇳🇱Tom KempersRound of 32 · Lost to Patrick McEnroe
- 🇳🇱Tom NijssenRound of 32 · Lost to Dan Goldie