Yannick Mertens defeated Filippo Leonardi 4-6 6-2 6-3 in the Belgium F1 round of 32 on clay. The result followed the form book — Yannick Mertens came in leading the head-to-head 3–0. Yannick Mertens extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-06 | Turkey F5 | R16 | hard | Yannick Mertens | 6-0 6-4 |
| 2009-07-20 | Italy F20 | R32 | clay | Yannick Mertens | 7-5 6-1 |
| 2009-02-09 | Italy F1 | R32 | clay | Yannick Mertens | 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 30). 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