Magnus Gustafsson defeated Paul Haarhuis 7-5 6-0 in the Halle round of 16 on grass. The upset overturned the form book — Paul Haarhuis came in leading the head-to-head 1–0, defending last year's semi-final. Magnus Gustafsson claimed a first win over Paul Haarhuis in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-02-25 | Rotterdam | R16 | hard | Paul Haarhuis | 6-3 3-6 6-1 |
Averages over each player's completed matches in the selected window (200 vs 106). 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