Thomas Muster defeated Martin Strelba 7-6 6-4 in the Kitzbuhel quarter-final on clay. The result followed the form book — Thomas Muster came in leading the head-to-head 2–0, defending last year's round of 16. Thomas Muster extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1990-10-15 | Vienna | R32 | hard | Thomas Muster | 7-6 6-4 |
| 1990-04-30 | Munich | QF | clay | Thomas Muster | 4-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.