Garbine Muguruza defeated Barbora Strycova 6-3 6-4 in the Tokyo round of 16 on hard. The upset overturned the form book — Barbora Strycova came in leading the head-to-head 4–2, defending last year's round of 32. Garbine Muguruza narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-06-18 | Birmingham | R16 | grass | Barbora Strycova | 6-2 6-4 |
| 2017-10-02 | Beijing | R64 | hard | Barbora Strycova | 6-1 2-0 RET |
| 2017-06-26 | Eastbourne | R32 | grass | Barbora Strycova | 6-1 6-0 |
| 2017-02-11 | Fed Cup WG R1: CZE vs ESP | RR | hard | Garbine Muguruza | 6-0 3-6 6-1 |
| 2016-01-18 | Australian Open | R32 | hard | Barbora Strycova | 6-3 6-2 |
| 2015-04-20 | Stuttgart | R32 | clay | Garbine Muguruza | 6-1 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (196 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About