Rebecca Peterson defeated Sofia Kenin 5-7 7-5 6-3 in the New Haven qualifying round 2 on hard. The upset overturned the form book — Sofia Kenin came in leading the head-to-head 1–0. Rebecca Peterson claimed a first win over Sofia Kenin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-02-25 | Acapulco | R32 | hard | Sofia Kenin | 4-3 RET |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.