Patrick Mohr defeated Sofronio Palahang 4-6 6-3 6-3 in the Philippines Masters 1 round of 16 on clay. The upset overturned the form book — Sofronio Palahang came in leading the head-to-head 1–0. Patrick Mohr claimed a first win over Sofronio Palahang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-02-24 | Philippines Masters 3 | R32 | clay | Sofronio Palahang | 6-4 7-5 |