Goran Prpic defeated Jan Siemerink 6-4 3-6 6-3 3-6 10-8 in the Wimbledon round of 128 on grass. The result followed the form book — Goran Prpic came in leading the head-to-head 1–0. Goran Prpic extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-01-14 | Australian Open | R16 | hard | Goran Prpic | 7-6(3) 6-7(3) 6-0 7-6(7) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.