WTA

Ayumi Koshiishi

Born Jul 28, 2000 · Age 25

23
Wins 2026
26
Losses 2026
8
Titles career
Last 10:
4W–6LCurrent streak:L1Last title:W15 Ust-Kamenogorsk (ITF) · 2023Prize:$15,000Best surface 2026:Hard 46.9% (23–26)← Rankings
46.9%
Win rate 2026
5
Avg aces/match
36%
BP saved rate
Season Statistics 2026

Last 10YTD (season)

5Aces / match—
2Double Faults / match—
36%BP Saved—
38%BP Converted—
40%Return Pts Won—
57%Service Pts Won—
48%Total Pts Won—
Ranking History
Year-end rank · #1 at top
2020: #8732025: #446
Form Timeline
Cumulative win rate · oldest → newest
Match Stat Trends
Last 10 matches · per-match values
Recent Matches
L
W50 Brisbane · W50 Brisbane - Quarter-finals · Nov 14
1-6 2-6
W
W50 Brisbane · W50 Brisbane - 1/8-finals · Nov 13
2-6 6-7
W
W50 Brisbane · W50 Brisbane - 1/16-finals · Nov 11
3-6 2-6
L
W75 Toronto · W75 Toronto - 1/16-finals · Oct 28
2-6 6-2 6-3
W
W75 Saguenay · W75 Saguenay - 1/8-finals · Oct 24
7-6 2-6 6-2