Haruna Arakawa defeated Dasha Ivanova 6-4 6-4 in the W25 Nakhon Si Thammarat final on hard. The upset overturned the form book — Dasha Ivanova came in ranked #617, leading the head-to-head 2–0. Haruna Arakawa claimed a first win over Dasha Ivanova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-09 | W15 Nakhon Si Thammarat 1 | QF | hard | Dasha Ivanova | 6-2 6-1 |
| 2020-01-20 | W25 Vero Beach | Q32 | clay | Dasha Ivanova | 6-4 6-1 |
Averages over each player's completed matches in the selected window (46 vs 62). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About