Reto Staubli defeated Radomir Vasek 6-3 6-4 in the Czechoslovakia Masters 2 round of 32 on clay. Reto Staubli extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-10-28 | Switzerland Masters 3 | R16 | hard | Radomir Vasek | 6-2 6-1 |
| 1991-08-26 | Czechoslovakia Masters 4 | R16 | clay | Reto Staubli | 7-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.