Paul Haarhuis defeated Thomas Muster 5-7 6-3 7-6 in the Hamburg round of 32 on clay. The upset overturned the form book — Thomas Muster came in leading the head-to-head 4–1, defending last year's round of 64. Paul Haarhuis narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-20 | Stuttgart Masters | R32 | carpet | Paul Haarhuis | 6-2 6-7 6-2 |
| 1997-10-13 | Ostrava | R16 | carpet | Thomas Muster | 6-3 7-6 |
| 1993-01-18 | Australian Open | R128 | hard | Thomas Muster | 4-6 6-3 7-6(4) 6-1 |
| 1992-01-13 | Australian Open | R64 | hard | Thomas Muster | 6-4 6-4 7-6(3) |
| 1990-05-28 | Roland Garros | R32 | clay | Thomas Muster | 3-6 7-5 6-2 7-6 |
Averages over each player's completed matches in the selected window (106 vs 133). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About