Gary Lugassy defeated Constantin Belot 6-2 6-2 in the France F18 round of 32 on hard. The upset overturned the form book — Constantin Belot came in leading the head-to-head 1–0. Gary Lugassy claimed a first win over Constantin Belot in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-01-26 | France F3 | Q16 | hard | Constantin Belot | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.