Nathan Seateun defeated Nikolay Vylegzhanin 6-4 6-4 in the M25 Bourg-en-Bresse 1 round of 32 on clay. The upset overturned the form book — Nikolay Vylegzhanin came in leading the head-to-head 1–0. Nathan Seateun claimed a first win over Nikolay Vylegzhanin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-07-01 | M25 Bourg-En-Bresse 1 | Q16 | clay | Nikolay Vylegzhanin | 6-4 1-6 10-8 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.