
Kiki Bertens defeated Mona Barthel 6-7 6-2 6-4 in the Nurnberg round of 16 on clay. The upset overturned the form book — Mona Barthel came in leading the head-to-head 8–2. Kiki Bertens narrowed the head-to-head to 8–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-27 | Wimbledon | R64 | grass | Kiki Bertens | 6-4 6-4 |
| 2015-10-12 | Linz | R32 | hard | Mona Barthel | 7-5 3-6 6-2 |
| 2015-07-13 | Bastad | R32 | clay | Mona Barthel | 6-7 6-2 6-3 |
| 2014-10-13 | Luxembourg | QF | hard | Mona Barthel | 6-3 6-0 |
| 2014-10-06 | Linz | R32 | hard | Mona Barthel | 6-3 6-1 |
| 2013-03-04 | Indian Wells | R64 | hard | Mona Barthel | 6-1 6-4 |
| 2012-10-08 | Linz | R32 | hard | Kiki Bertens | 7-6 1-6 6-1 |
| 2012-07-16 | Bastad | R32 | clay | Mona Barthel | 6-3 6-2 |
| 2011-01-24 | Grenoble 25K | R32 | hard | Mona Barthel | 6-2 6-3 |
| 2010-11-01 | Ismaning 50K | R32 | carpet | Mona Barthel | 6-2 6-2 |
Averages over each player's completed matches in the selected window (178 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Barthel M.: 5 days rest · 3 matches, 68 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About