Mai Hontama defeated Arianne Hartono 6-7 6-4 6-1 in the Osaka quarter-final on hard. Mai Hontama claimed a first win over Arianne Hartono in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-24 | W100 Tokyo 1 | R16 | hard | Arianne Hartono | 6-3 6-4 |
| 2024-09-16 | Hua Hin 2 | QF | hard | Arianne Hartono | 4-6 6-2 6-3 |
| 2023-08-25 | US Open | Q64 | hard | Arianne Hartono | 6-4 6-3 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About