Kateryna Baindl defeated Laura Siegemund 6-4 6-0 in the St. Petersburg qualifying final on hard. The upset overturned the form book — Laura Siegemund came in leading the head-to-head 4–0. Kateryna Baindl claimed a first win over Laura Siegemund in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-07-01 | Wimbledon | R128 | grass | Laura Siegemund | 6-4 6-1 |
| 2021-04-29 | Madrid | R64 | clay | Laura Siegemund | 6-4 6-2 |
| 2018-07-23 | Moscow | R16 | hard | Laura Siegemund | 6-0 6-3 |
| 2016-07-18 | Bastad | R32 | clay | Laura Siegemund | 6-1 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.