Koshiishi - Chikaraishi
06.04.2025, Osaka ITF, Qualification - 2. round, hard
| Koshiishi Ayumi | 2 : 0 (6-4, 6-2) |
Chikaraishi Yui | ||
|---|---|---|---|---|
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769. | Singles ranking | 1317. | ![]() |
| 28. 7. 2000 | Birthdate | 26. 1. 1999 | ||
| - | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Koshiishi Ayumi | Chikaraishi Yui |
|---|---|---|
| Indoors | - | - |
| Clay | - | - |
| Grass | - | 0/1 |
| Hard | - | 6/11 |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 295/180 | 26/15 | 244/143 | 25/22 | - | - |
| 2025 | 33/30 | - | 30/26 | 3/4 | - | - |
| 2024 | 45/31 | 1/1 | 35/25 | 9/5 | - | - |
| 2023 | 50/20 | - | 50/18 | 0/2 | - | - |
| 2022 | 19/12 | - | 16/9 | 3/3 | - | - |
| 2021 | 48/15 | 4/4 | 41/10 | 3/1 | - | - |
| 2020 | 25/9 | 16/5 | 9/4 | - | - | - |
| 2019 | 22/23 | 5/5 | 13/15 | 4/3 | - | - |
| 2018 | 30/21 | - | 30/21 | - | - | - |
| 2017 | 13/12 | - | 13/10 | 0/2 | - | - |
| 2016 | 10/7 | - | 7/5 | 3/2 | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 118/156 | 4/12 | 101/120 | 6/8 | 0/2 | 7/14 |
| 2026 | 11/20 | - | 6/11 | - | 0/1 | 5/8 |
| 2025 | 13/32 | - | 9/23 | 2/3 | - | 2/6 |
| 2024 | 22/20 | - | 22/20 | - | - | - |
| 2023 | 19/14 | - | 19/13 | - | 0/1 | - |
| 2022 | 10/13 | 1/2 | 9/10 | 0/1 | - | - |
| 2021 | 14/17 | 3/8 | 11/9 | - | - | - |
| 2020 | 3/7 | 0/2 | 2/4 | 1/1 | - | - |
| 2019 | 14/12 | - | 14/12 | - | - | - |
| 2018 | 3/10 | - | 3/9 | 0/1 | - | - |
| 2017 | 7/6 | - | 5/5 | 2/1 | - | - |
| 2016 | 1/4 | - | 0/3 | 1/1 | - | - |
| 2015 | 1/1 | - | 1/1 | - | - | - |
Head-to-head: 2 - 1
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Osaka ITF | Koshiishi | 2 | 6 | 6 | Q-2R | ||||
| Chikaraishi | 0 | 4 | 2 | |||||||
| 2019 | Tsukuba ITF | Chikaraishi | 2 | 2 | 6 | 10 | Q-1R | |||
| Koshiishi | 1 | 6 | 2 | 7 | ||||||
| 2018 | Hamamatsu ITF | Koshiishi | 2 | 7 | 6 | Q-1R | ||||
| Chikaraishi | 0 | 61 | 2 |
Betting odds
Latest matches
- Koshiishi
| Sydney 3 ITF, Q-R16, 17.11.2025 | ||
| Yang - Koshiishi | 2:0 | |
| Sydney 3 ITF, Q-1R, 16.11.2025 | ||
| Koshiishi - Guillen | 2:0 | |
| Brisbane 5 ITF, QF, 14.11.2025 | ||
| Wei - Koshiishi | 2:0 | |
| Brisbane 5 ITF, R16, 13.11.2025 | ||
| Koshiishi - Varaksina | 2:0 | |
| Brisbane 5 ITF, 1R, 11.11.2025 | ||
| Koshiishi - Hule | 2:0 | |
| Toronto ITF, 1R, 28.10.2025 | ||
| Cross - Koshiishi | 2:1 | |
| Saguenay ITF, QF, 24.10.2025 | ||
| Rogers - Koshiishi | 2:0 | |
| Saguenay ITF, R16, 24.10.2025 | ||
| Koshiishi - Chavez | 2:1 | |
| Saguenay ITF, 1R, 21.10.2025 | ||
| Koshiishi - Vagramov | 2:1 | |
| Jinan, Q-R16, 13.10.2025 | ||
| Nugroho - Koshiishi | 2:1 | |
- Chikaraishi
| Tianjin 4 ITF, Q-1R, 23.08.2026 | ||
| Tsai - Chikaraishi | 2:0 | |
| Tianjin 3 ITF, Q-R16, 18.08.2026 | ||
| Desvignes - Chikaraishi | 2:0 | |
| Tianjin 3 ITF, Q-2R, 17.08.2026 | ||
| Chikaraishi - Cai | 2:1 | |
| Tianjin 3 ITF, Q-1R, 16.08.2026 | ||
| Chikaraishi - Jones | 2:1 | |
| Sapporo 2 ITF, Q-1R, 22.06.2026 | ||
| Ishii - Chikaraishi | 2:1 | |
| Tokyo ITF, Q-1R, 07.06.2026 | ||
| Kim - Chikaraishi | 2:0 | |
| Fukui ITF, Q-R16, 26.05.2026 | ||
| Nishimoto - Chikaraishi | 2:0 | |
| Fukui ITF, Q-1R, 24.05.2026 | ||
| Chikaraishi - Kodaka | 2:1 | |
| Toyama 2 ITF, QF, 22.05.2026 | ||
| Matsuda - Chikaraishi | 2:0 | |
| Toyama 2 ITF, R16, 22.05.2026 | ||
| Chikaraishi - Arakawa | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| US Open | 16 | |||
| Winston Salem | 8 | |||
| US Open | 17 | |||
| Monterrey | 9 | |||
| Lower level tournaments | ||||
| Kingston 2 challenger | 8 | |||
| Augsburg challenger | 8 | |||
| Roehampton 2 challenger | 8 | |||
| UTR Pro Tennis Series | 2 | |||
| UTR Pro Tennis Series 3 | 64 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 11 | |||
| Philadelphia WTA | 6 | |||
| Bytom ITF | 15 | |||
| Kursumlijska Banja 16 ITF | 11 | |||
| Oldenzaal ITF | 12 | |||
| Barueri ITF | 12 | |||
| Trieste ITF | 5 | |||
| Verbier 2 ITF | 10 | |||
| UTR Pro Tennis Series 5 | 16 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Brasov 2 ITF | 12 | |||
| Hurghada 8 ITF | 12 | |||
| Monastir 47 ITF | 12 | |||
| Tianjin 4 ITF | 12 | |||
| Torello ITF | 10 | |||
| UTR Pro Match Series | 61 | |||
| UTR Pro Tennis Series | 4 | |||
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