Yannick Mertens defeated Maxime Authom 6-3 6-2 in the Belgium F5 semi-final on hard. The upset overturned the form book — Maxime Authom came in leading the head-to-head 3–1. Yannick Mertens narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-06 | Netherlands F1 | SF | clay | Maxime Authom | 6-2 3-6 7-5 |
| 2008-05-26 | Bulgaria F4 | SF | clay | Yannick Mertens | 7-5 6-4 |
| 2008-05-12 | Bulgaria F2 | F | clay | Maxime Authom | 7-6(4) 6-3 |
| 2006-05-01 | Bulgaria 1 3 | SF | clay | Maxime Authom | 5-7 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 79). 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. About