Paul Haarhuis defeated Boris Becker 4-6 7-6 6-4 in the Rotterdam round of 32 on hard. The result followed the form book — Paul Haarhuis came in defending last year's round of 32. Paul Haarhuis extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-08-26 | US Open | R32 | hard | Paul Haarhuis | 6-3 6-4 6-2 |
| 1990-01-15 | Australian Open | R128 | hard | Boris Becker | 6-1 6-2 6-1 |
Averages over each player's completed matches in the selected window (106 vs 68). 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