Mai Hontama defeated Kimberly Birrell 3-6 6-2 6-2 in the Stanford 125 round of 32 on hard. The upset overturned the form book — Kimberly Birrell came in ranked #69. Mai Hontama extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-05-01 | W100 Gifu 1 | R32 | hard | Mai Hontama | 6-2 4-6 6-2 |
| 2022-10-08 | W25 Cairns | SF | hard | Kimberly Birrell | 6-1 6-1 |
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
Hontama M.: 19 days rest · Birrell K.: 6 days rest · 1 match, 16 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About