Chris Wilkinson defeated Markus Zillner 6-3 6-3 in the Portugal 4 Masters 4 round of 16 on clay. The upset overturned the form book — Markus Zillner came in leading the head-to-head 1–0. Chris Wilkinson claimed a first win over Markus Zillner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-11-23 | Portugal 4 Masters 3 | R32 | clay | Markus Zillner | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.