Joseph Guillin defeated Valentin Nourrissat 6-2 6-3 in the France F2 qualifying round of 64 on hard. The upset overturned the form book — Valentin Nourrissat came in leading the head-to-head 1–0. Joseph Guillin claimed a first win over Valentin Nourrissat in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-20 | Belgium F2 | Q32 | clay | Valentin Nourrissat | 6-3 4-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.