Joern Grunewald defeated Chris Wilkinson 7-5 6-2 in the Australia 3 Masters 2 round of 16 on clay. The upset overturned the form book — Chris Wilkinson came in leading the head-to-head 1–0. Joern Grunewald claimed a first win over Chris Wilkinson in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-10-07 | Australia 3 Masters 3 | R32 | clay | Chris Wilkinson | 6-3 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.