Christian Bergstrom defeated Paul Haarhuis 6-2 6-1 in the Stockholm round of 64 on hard. The upset overturned the form book — Paul Haarhuis came in leading the head-to-head 1–0. Christian Bergstrom 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 | QF | hard | Paul Haarhuis | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.