The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-22 | W100 Incheon | R32 | hard | Natsumi Kawaguchi | 6-1 7-5 |
| 2023-04-17 | W15 Osaka | QF | hard | Natsumi Kawaguchi | 6-3 6-2 |
| 2022-11-07 | W25 Yokohama | R32 | hard | Natsumi Kawaguchi | 6-3 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.