Ayumi Koshiishi Ranking, Earnings, Records, Stats & Performance Trends
Ayumi Koshiishi
Stats
| Current Rank | 378 |
| Best Rank | 378 (15 Jun 2025) |
| Titles | 8  |
| Grand Slams | 0 |
| Main Tour | 0 |
| Masters | 0 |
| Tour Finals | 0 |
| Challengers | 0 |
| Futures | 8 |
Recent Form
L
W
W
L
W
W
W
L
W
W
| Age | 24(27 Jul 2000) |
| Country |  Japan |
| Birthplace | |
| Height | |
| Weight | |
| Plays | |
| Backhand | |
| Favorite Surface |  Hard |
| Coach | |
| Turned Pro | |
| Player Status | Active |
| Prize Money | $0 |
Koshiishi Performance Breakdown
Koshiishi Surface Record
W/L
| Overall | 63.8% | 261 / 148 |
| Hard | 64.8% | 214 / 116 |
| Clay | 63.4% | 26 / 15 |
| Indoor | 55.3% | 21 / 17 |
| Grass | 0.0% | 0 / 0 |
Koshiishi Round Record
W/L
| Final | 57.1% | 8 / 6 |
| Semi-final | 60.9% | 14 / 9 |
| Quarter-final | 61.1% | 22 / 14 |
| 2nd Round | 55.2% | 37 / 30 |
| 1st Round | 60.4% | 67 / 44 |
| Qualies Final | 63.4% | 45 / 26 |
| Qualies Round 2 | 73.7% | 28 / 10 |
| Qualies Round 1 | 70.0% | 63 / 27 |
Koshiishi Level Record
W/L
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 0.0% | 0 / 0 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 53.8% | 133 / 114 |
| Futures | 74.4% | 151 / 52 |
Koshiishi Opp. Rank Record
W/L
| Vs No.1 | 0.0% | 0 / 0 |
| Vs Top.5 | 0.0% | 0 / 0 |
| Vs Top.10 | 0.0% | 0 / 0 |
| Vs Top.20 | 0.0% | 0 / 0 |
| Vs Top.50 | 0.0% | 0 / 0 |
| Vs Top.100 | 0.0% | 0 / 0 |
Koshiishi Historical Matches Played Records
| opponent | score | h2h | |||
W35 Luzhou 08 Jun 25 | |||||
| QF |  M. Wang |  Stats | 6-3 6-0 | H2H | |
| R2 |  A. Zhu | Stats | 6-3 6-2 | H2H | |
| R1 |  V. Morvayova q | Stats | 4-6 6-2 6-2 | H2H | |
W35 Andong 18 May 25 | |||||
| R2 |  D. Back 6 | Stats | 6-0 6-3 | H2H | |
| R1 | E. Lee | Stats | 6-3 6-1 | H2H | |
| QF | H. Kuwata | Stats | 7-6(2) 6-1 | H2H | |
| Q2 | N. Katsumi | 6-1 6-4 | H2H | ||
W35 Changwon 11 May 25 | |||||
| QF | W. Zheng 1 | Stats | 6-4 6-3 | H2H | |
| R2 | E. Koike q | Stats | 6-3 6-3 | H2H | |
| R1 | H. Sato 8 | Stats | 6-2 6-2 | H2H | |
Koshiishi Performance Stats Trends
Koshiishi Service Stats Trends
| Aces per Game | 0.21 | 77 / 362 |
| Double Faults Per Game | 0.24 | 88 / 362 |
| 1st Serve % | 61.9% | 1464 / 2365 |
| 1st Serve Win% | 59.7% | 874 / 1464 |
| 2nd Serve Win% | 44.2% | 398 / 901 |
| Serve Points Win% | 53.8% | 1272 / 2365 |
Koshiishi Return Stats Trends
| Opponent Aces / Game | 0.08 | 30 / 362 |
| Opponent Double Faults / Game | 0.32 | 116 / 362 |
| Opponent 1st Serve % | 66.2% | 1516 / 2291 |
| 1st Return Win % | 42.9% | 651 / 1516 |
| 2nd Return Win % | 58.3% | 452 / 775 |
| Return Points Win% | 48.1% | 1103 / 2291 |
Koshiishi Break Points (Serve) Stats
| Break Points Saved / Game | 0.38 | 137 / 362 |
| Break Points Faced / Game | 0.80 | 289 / 362 |
| Break Points Save % | 47.4% | 137 / 289 |
| Service Hold % | 58.1% | 210 / 362 |
Koshiishi Break Points (Return) Stats
| Break Points Won / Game | 0.46 | 166 / 362 |
| Opponent Break Points / Game | 0.87 | 317 / 362 |
| Break Points Won % | 52.4% | 166 / 317 |
| Opponent Hold % | 54.2% | 196 / 362 |
Ayumi Koshiishi Surface Win/Loss Performance History
| year | sum. | hard | clay | i.hard | grass |
| 2025 | 23/16 | 23/15 | 0/0 | 0/1 | 0/0 |
| 2024 | 45/31 | 34/23 | 1/1 | 10/7 | 0/0 |
| 2023 | 49/20 | 48/17 | 0/0 | 1/3 | 0/0 |
| 2022 | 19/12 | 15/8 | 0/0 | 4/4 | 0/0 |
| 2021 | 48/15 | 41/10 | 4/4 | 3/1 | 0/0 |
| 2020 | 25/9 | 9/4 | 16/5 | 0/0 | 0/0 |
| 2019 | 22/23 | 13/13 | 5/5 | 4/5 | 0/0 |
| 2018 | 28/21 | 21/18 | 0/0 | 7/3 | 0/0 |
| 2017 | 15/12 | 9/5 | 0/0 | 6/7 | 0/0 |
| 2016 | 10/7 | 1/3 | 0/0 | 9/4 | 0/0 |
Koshiishi Singles Titles/Finals
Koshiishi Titles
No Titles
Koshiishi Finals
W15 Kuala Lumpur (19 Feb 2023)
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| Tennis Events This Week | |||
|---|---|---|---|
| cinch Championships - London Great Britain | ||
| Terra Wortmann Open - Halle Germany | ||
| Nottingham 2 Challenger Great Britain | ||
 | Poznan Challenger Poland | ||
 | Royan Challenger France | ||
 | Santa Cruz de la Sierra Challenger Bolivia | ||
| Sassuolo Challenger Italy | ||
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