Arthur De Greef defeated Mathias Bourgue 6-4 6-2 in the Guayaquil CH quarter-final on clay. The upset overturned the form book — Mathias Bourgue came in leading the head-to-head 4–0, defending last year's round of 32. Arthur De Greef claimed a first win over Mathias Bourgue in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-15 | Australian Open | Q1 | hard | Mathias Bourgue | 3-6 6-3 6-4 |
| 2018-01-10 | Australian Open | Q128 | hard | Mathias Bourgue | 3-6 6-3 6-4 |
| 2017-10-16 | Antwerp | Q1 | hard | Mathias Bourgue | 7-6 6-3 |
| 2015-02-09 | Tunisia F5 | F | hard | Mathias Bourgue | 2-6 6-4 7-6(8) |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About