Japan
| Age | 24 (28-07-2000) |
| Country | Japan |
| Birthplace | |
| Height | |
| Weight | |
| Plays | |
| Backhand | |
| Favorite Surface |  Hard |
| Coach | |
| Turned Pro | |
| Player Status | Active |
Ayumi Koshiishi Upcoming Matches
Match Stats
Hard
Clay
Grass
Indoor
All
Service Stats
| Aces / Game | 0.20 | 58 / 289 |
| DFs / Game | 0.25 | 73 / 289 |
| 1st Serve % | 62.0% | 1163 / 1876 |
| 1st Serve Win % | 60.1% | 699 / 1163 |
| 2nd Serve Win % | 42.4% | 302 / 713 |
| Service Points Win % | 53.4% | 1001 / 1876 |
Return Stats
| Opponent Aces / Game | 0.08 | 24 / 289 |
| Opponent Double Faults / Game | 0.33 | 95 / 289 |
| Opponent 1st Serve % | 67.6% | 1248 / 1845 |
| 1st Return Win % | 42.7% | 533 / 1248 |
| 2nd Return Win % | 59.0% | 352 / 597 |
| Return Points Win % | 48.0% | 885 / 1845 |
Break Points (Serve)
| Break Points Saved Per Game | 0.36 | 104 / 289 |
| Break Points Faced Per Game | 0.78 | 225 / 289 |
| Break Points Save % | 46.2% | 104 / 225 |
| Service Hold % | 58.2% | 168 / 289 |
Break Points (Rtn)
| Break Points Won Per Game | 0.46 | 132 / 289 |
| Opponent Break Points Per Game | 0.88 | 256 / 289 |
| BP Won % | 51.6% | 132 / 256 |
| Opp Hold % | 54.4% | 157 / 289 |
Ayumi Koshiishi Past Matches
 | W35 Changwon | |||||
14 May 2025 R1 |  | 6 2 6 2 | W |  | H2H 0-0 | |
| W35 Goyang | |||||
08 May 2025 R2 | | 6 4 6 2 | L | | H2H 0-0 | |
07 May 2025 R1 | WC | | 4 6 7 5 6 1 | W | | H2H 0-0 |
| W35 Goyang | |||||
02 May 2025 QF | | 6 4 6 1 | L | | H2H 0-0 | |
Ayumi Koshiishi Surface Summary
| year | All | hard | clay | indoor | grass |
| 2025 | 17-13 | 17-12 | 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 |
Ayumi Koshiishi Performance Breakdown
Tournament Level Breakdown
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 0.0% | 0 / 0 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 53.4% | 127 / 111 |
| Futures | 74.4% | 151 / 52 |
Opponent Rank Breakdown
| 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 |
Surface Breakdown
| Overall | 63.8% | 255 / 145 |
| Hard | 64.8% | 208 / 113 |
| Clay | 63.4% | 26 / 15 |
| Indoor | 55.3% | 21 / 17 |
| Grass | 0.0% | 0 / 0 |
Round Breakdown
| Final | 57.1% | 8 / 6 |
| Semi-Final | 60.9% | 14 / 9 |
| Quarter-Final | 64.7% | 22 / 12 |
| Second | 54.7% | 35 / 29 |
| First | 59.6% | 65 / 44 |
| Qualifying Final | 62.9% | 44 / 26 |
| Qualifying R2 | 73.0% | 27 / 10 |
| Qualifying R1 | 70.0% | 63 / 27 |
Ayumi Koshiishi Titles/Finals/Semis
Title
Finals
Ayumi Koshiishi interesting Heads to Heads
 Ayumi Koshiishi | Draw VIEW H2H |  Nudnida Luangnam | ||
Ayumi Koshiishi | Draw VIEW H2H |  Erika Sema | ||
Ayumi Koshiishi | Draw VIEW H2H |  Ayumi Morita | ||
Ayumi Koshiishi | Draw VIEW H2H |  Pemra Ozgen | ||
Ayumi Koshiishi | Draw VIEW H2H |  Tammi Patterson | ||
Ayumi Koshiishi | Draw VIEW H2H |  Akari Inoue | ||
Ayumi Koshiishi | Draw VIEW H2H |  Ioana Gaspar | ||
Ayumi Koshiishi | Draw VIEW H2H |  Jia-Jing Lu | ||
Ayumi Koshiishi | Draw VIEW H2H |  Ling Zhang | ||
Ayumi Koshiishi | Draw VIEW H2H |  Ksenia Lykina | ||
Ayumi Koshiishi | Draw VIEW H2H |  Ashmitha Easwaramurthi | ||
Ayumi Koshiishi | Draw VIEW H2H |  Monique Adamczak | ||
Upcoming Tennis Predictions & Head to Heads
Mcdonald Khayrutdinova Prediction H2H (1-1)
Monnet Korpatsch Prediction H2H (0-2)
Shao Ekstrand Prediction H2H (0-0)
Blokhina Fourlis Prediction H2H (0-0)
Ganz Bertea Prediction H2H (0-1)
Hietaranta Bojica Prediction H2H (0-1)
Zuzanna Pawlikowska Madelief Hageman Prediction H2H (0-0)
 ATP Rankings | |||
|---|---|---|---|
| 1 | 9730 PTS | ||
| 2 | 8085 PTS | ||
| 3 | 7850 PTS | ||
| 4 | 4815 PTS | ||
| 5 | 4440 PTS | ||
| 6 | 4130 PTS | ||
| 7 | 3715 PTS | ||
| 8 | 3635 PTS | ||
| 9 | 3550 PTS | ||
| 10 | 3440 PTS | ||
 Live Tennis Events | |||
|---|---|---|---|
 | Internazionali BNL d'Italia - Rome Italy | ||
 | Bogota Challenger Colombia | ||
 | Bordeaux Challenger France | ||
| Turin Challenger Italy | ||
 | Zagreb Challenger Croatia | ||
 | M15 Luan China | ||
 | M15 Orlando United States | ||
| M25 Pensacola United States | ||
| M25 Reggio Emilia Italy | ||
 | M25 Xalapa Mexico | ||
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