Rebecca Peterson defeated Kaia Kanepi 6-4 1-6 6-3 in the Chicago 125 round of 16 on hard. The upset overturned the form book — Kaia Kanepi came in leading the head-to-head 1–0, but Rebecca Peterson had been the form player, winning 3 of their last 6 on hard. Rebecca Peterson claimed a first win over Kaia Kanepi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-08-27 | US Open | R32 | hard | Kaia Kanepi | 6-3 7-6(3) |
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 (38 vs 28). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About