Koshiishi - Yamaguchi
14.10.2017, 02:00, Hamamatsu ITF, Qualification - 1. round, hard
| Koshiishi Ayumi | 2 : 0 (6-1, 6-4) |
Yamaguchi Makoto | ||
|---|---|---|---|---|
 |
383. | Singles ranking | -. |  |
| 28. 7. 2000 | Birthdate | 21. 1. 1997 | ||
| - | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Koshiishi Ayumi | Yamaguchi Makoto |
|---|---|---|
| Indoors | 0/1 | - |
| Clay | - | - |
| Grass | - | - |
| Hard | 25/20 | - |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 287/171 | 26/15 | 239/137 | 22/19 | - | - |
| 2025 | 25/21 | - | 25/20 | 0/1 | - | - |
| 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 | - | - |
Head-to-head: 1 - 0
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | Hamamatsu ITF | Koshiishi | 2 | 6 | 6 | Q-1R | ||||
| Yamaguchi | 0 | 1 | 4 |
Betting odds
Latest matches
- Koshiishi
| Nakhon Pathom 5 ITF, 1R, 26.08.2025 | ||
| Lee - Koshiishi | 2:0 | |
| Ourense ITF, 1R, 05.08.2025 | ||
| Guerrero Alvarez - Koshiishi | 2:0 | |
| Roehampton ITF, 1R, 29.07.2025 | ||
| Nishino - Koshiishi | 2:0 | |
| Monastir 45 ITF, 1R, 22.07.2025 | ||
| Matsuda - Koshiishi | 2:0 | |
| Nottingham 3 ITF, QF, 17.07.2025 | ||
| Valdmannova - Koshiishi | 2:0 | |
| Nottingham 3 ITF, R16, 17.07.2025 | ||
| Koshiishi - Veldman | 2:0 | |
| Nottingham 3 ITF, 1R, 16.07.2025 | ||
| Koshiishi - Wainwright | 2:0 | |
| Luzhou ITF, QF, 13.06.2025 | ||
| Wang - Koshiishi | 2:0 | |
| Luzhou ITF, R16, 12.06.2025 | ||
| Koshiishi - Zhu | 2:0 | |
| Luzhou ITF, 1R, 11.06.2025 | ||
| Koshiishi - Morvayova | 2:1 | |
- Yamaguchi
| Hong Kong 4 ITF, 1R, 09.07.2018 | ||
| Li - Yamaguchi | 2:1 | |
| Hong Kong 4 ITF, Q-1R, 07.07.2018 | ||
| Masuda Karrasch - Yamaguchi | 2:0 | |
| Kofu 2 ITF, Q-2R, 09.06.2018 | ||
| Kawamura - Yamaguchi | 2:0 | |
| Kofu 2 ITF, Q-1R, 09.06.2018 | ||
| Yamaguchi - Goto | 2:0 | |
| Nishi-Tama ITF, 1R, 21.03.2018 | ||
| Hasegawa - Yamaguchi | 2:0 | |
| Hamamatsu ITF, Q-1R, 14.10.2017 | ||
| Koshiishi - Yamaguchi | 2:0 | |
| Nishi-Tama ITF, Q-1R, 18.03.2017 | ||
| So - Yamaguchi | 2:0 | |
| Hamamatsu ITF, Q-1R, 17.10.2015 | ||
| Takahashi - Yamaguchi | 2:1 | |
| Nishi-Tama ITF, Q-2R, 22.03.2015 | ||
| Saigo - Yamaguchi | 2:0 | |
| Nishi-Tama ITF, Q-1R, 21.03.2015 | ||
| Yamaguchi - Yamamoto | 1:0 | |
This week's tournaments
| Main tournaments | ||||
| US Open | 48 | |||
| US Open | 38 | |||
| Lower level tournaments | ||||
| Zhangjiagang challenger | 6 | |||
| Como challenger | 9 | |||
| Mallorca challenger | 6 | |||
| Porto 2 challenger | 6 | |||
| UTR Pro Tennis Series | 21 | |||
| UTR Pro Tennis Series 3 | 61 | |||
| UTR Pro Tennis Series 5 | 18 | |||
| UTR Pro Tennis Series 8 | 7 | |||
| UTR Pro Tennis Series 9 | 46 | |||
| Bytom ITF | 6 | |||
| Oldenzaal ITF | 6 | |||
| Brasov 2 ITF | 6 | |||
| Heraklion 4 ITF | 5 | |||
| Nakhon Pathom 5 ITF | 3 | |||
| Trieste ITF | 3 | |||
| Verbier 2 ITF | 5 | |||
| UTR Pro Tennis Series 5 | 26 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Ankara 3 ITF | 7 | |||
| Kaltenkirchen ITF | 5 | |||
| Luan 8 ITF | 3 | |||
| Monastir 50 ITF | 7 | |||
| Telavi 7 ITF | 5 | |||
| UTR Pro Match Series | 51 | |||
| UTR Pro Tennis Series | 70 | |||
| UTR Pro Tennis Series 8 | 15 | |||
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