Ryota Tanuma faces Hikaru Shiraishi in the M25 Urayasu round of 16 on hard. Hikaru Shiraishi holds the paper edge — ranked #517, leading the head-to-head 3–0. Recent hard form is closely matched.
Slight edge · Shiraishi H. narrowly ahead
Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.
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.
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-10-24 | M15 Tanagura 1 | QF | hard | Hikaru Shiraishi | 6-3 2-6 6-4 |
| 2025-07-04 | M15 Tokyo 1 | QF | hard | Hikaru Shiraishi | 6-7(6) 6-4 6-2 |
| 2023-12-20 | M15 Yanagawa 1 | R32 | hard | Hikaru Shiraishi | 6-0 6-3 |