Peter Nyborg defeated Ulli Nganga 6-7 7-5 6-3 in the Ireland Masters 2 round of 16 on carpet. The result followed the form book — Peter Nyborg came in leading the head-to-head 1–0. Peter Nyborg extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-05-20 | Ireland Masters 3 | R32 | carpet | Peter Nyborg | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.