Valentini Grammatikopoulou defeated Martina Borecka 7-6 4-6 6-4 in the Versmold $50K qualifying round on clay. The upset overturned the form book — Martina Borecka came in leading the head-to-head 1–0, but Valentini Grammatikopoulou had been the form player, winning 6 of their last 7 on clay. Valentini Grammatikopoulou claimed a first win over Martina Borecka in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-01-12 | Stuttgart Stammheim $10K | R16 | hard | Martina Borecka | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.