Eri Shimizu defeated Yukina Saigo 6-4 4-6 6-2 in the W25 Tokyo round of 16 on hard. The upset overturned the form book — Yukina Saigo came in leading the head-to-head 1–0. Eri Shimizu claimed a first win over Yukina Saigo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-02-28 | W15 Antalya 7 | R16 | clay | Yukina Saigo | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.