Paul Henri Mathieu defeated Grigor Dimitrov 7-6 7-6 in the Basel quarter-final on hard. The upset overturned the form book — Grigor Dimitrov came in leading the head-to-head 1–0. Paul Henri Mathieu claimed a first win over Grigor Dimitrov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-02-09 | Rotterdam | R32 | hard | Grigor Dimitrov | 4-6 7-6(2) 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.