Adam Chadaj defeated Francois Arthur Vibert 6-4 5-7 6-1 in the Qatar F2 qualifying round on hard. The upset overturned the form book — Francois Arthur Vibert came in leading the head-to-head 1–0. Adam Chadaj claimed a first win over Francois Arthur Vibert in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-11-27 | Turkey F45 | R32 | clay | Francois Arthur Vibert | 7-6(0) 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.