Syna Kayser defeated Dalila Jakupovic 6-1 6-1 in the Lenzerheide 10K round of 32 on clay. The upset overturned the form book — Dalila Jakupovic came in leading the head-to-head 1–0. Syna Kayser claimed a first win over Dalila Jakupovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-13 | Frinton 10K | R32 | grass | Dalila Jakupovic | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.