Yannick Mertens defeated Davy Sum 6-3 6-4 in the France F1 round of 16 on clay. The result followed the form book — Yannick Mertens came in leading the head-to-head 1–0. Yannick Mertens extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-01-13 | France F1 | R16 | clay | Yannick Mertens | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.