Michel Koning defeated Antal Van Der Duim 7-5 6-2 in the Germany F12 round of 16 on clay. The upset overturned the form book — Antal Van Der Duim came in leading the head-to-head 1–0. Michel Koning claimed a first win over Antal Van Der Duim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-26 | Spain F26 | R32 | hard | Antal Van Der Duim | 6-4 6-4 |
Averages over each player's completed matches in the selected window (1 vs 74). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About