Jana Novotna defeated Patricia Hy Boulais 6-1 6-2 in the US Open round of 32 on hard. The result followed the form book — Jana Novotna came in leading the head-to-head 1–0, defending last year's round of 16. Jana Novotna extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-05-27 | Roland Garros | R64 | clay | Jana Novotna | 6-2 6-1 |