Annika Beck defeated Klara Koukalova 6-4 6-4 in the 's Hertogenbosch round of 16 on grass. The upset overturned the form book — Klara Koukalova came in leading the head-to-head 4–0. Annika Beck claimed a first win over Klara Koukalova in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-18 | Nuremberg | R32 | clay | Klara Koukalova | 6-4 7-6(6) |
| 2014-04-07 | Katowice | R16 | hard | Klara Koukalova | 4-6 6-3 6-1 |
| 2013-06-24 | Wimbledon | R64 | grass | Klara Koukalova | 7-6(5) 6-3 |
| 2012-07-16 | Bastad | R32 | clay | Klara Koukalova | 2-6 6-3 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.