Vivienne Vierin defeated Darina Sedenkova 6-0 6-4 in the Telavi 25K round of 32 on clay. The upset overturned the form book — Darina Sedenkova came in leading the head-to-head 1–0. Vivienne Vierin claimed a first win over Darina Sedenkova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-25 | Dubrovnik 10K | R32 | clay | Darina Sedenkova | 3-6 7-5 6-3 |