Diana Marcinkevica defeated Bianca Koch 6-4 6-0 in the Fallanden 10K round of 16 on carpet. The upset overturned the form book — Bianca Koch came in leading the head-to-head 1–0. Diana Marcinkevica claimed a first win over Bianca Koch in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-03 | Edinburgh 10K | R16 | clay | Bianca Koch | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.