Yamasaki - Koyama
16.06.2015, 04:00, Futures 2015, 1. round, hard
| Yamasaki Jumpei | 1 : 0 (4-6, 6-4, 5-1) |
Koyama Keita | ||
|---|---|---|---|---|
![]() |
876. | Singles ranking | -. | |
| 2. 7. 1997 | Birthdate | 6. 8. 1986 | ||
| 180 cm | Height | 170 cm | ||
| 75 kg | Weight | 74 kg | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Yamasaki Jumpei | Koyama Keita |
|---|---|---|
| Indoors | 9/4 | - |
| Clay | 2/1 | - |
| Grass | - | - |
| Hard | 18/12 | - |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 277/196 | 31/25 | 218/154 | 19/16 | - | 9/1 |
| 2025 | 34/17 | 2/1 | 18/12 | 9/4 | - | 5/0 |
| 2024 | 14/11 | - | 14/11 | - | - | - |
| 2023 | 16/13 | 4/1 | 12/12 | - | - | - |
| 2022 | 29/14 | - | 25/13 | - | - | 4/1 |
| 2021 | 9/17 | 2/6 | 7/11 | - | - | - |
| 2020 | 1/4 | - | 1/3 | 0/1 | - | - |
| 2019 | 39/21 | 0/3 | 34/15 | 5/3 | - | - |
| 2018 | 42/33 | 2/1 | 37/29 | 3/3 | - | - |
| 2017 | 19/26 | 0/2 | 17/20 | 2/4 | - | - |
| 2016 | 44/24 | 6/3 | 38/21 | - | - | - |
| 2015 | 18/9 | 7/5 | 11/4 | - | - | - |
| 2014 | 7/4 | 4/2 | 3/2 | - | - | - |
| 2013 | 5/3 | 4/1 | 1/1 | 0/1 | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 77/72 | 11/11 | 51/52 | 2/4 | 13/5 | - |
| 2015 | 3/8 | 0/1 | 3/6 | 0/1 | - | - |
| 2014 | 13/13 | 4/2 | 8/10 | 1/1 | - | - |
| 2013 | 11/10 | 2/2 | 9/8 | - | - | - |
| 2012 | 22/12 | 4/2 | 14/9 | - | 4/1 | - |
| 2011 | 7/6 | 0/2 | 2/3 | - | 5/1 | - |
| 2010 | 5/7 | 1/1 | 3/5 | 1/1 | - | - |
| 2008 | 0/2 | - | 0/1 | 0/1 | - | - |
| 2007 | 5/5 | - | 3/4 | - | 2/1 | - |
| 2006 | 5/3 | - | 5/3 | - | - | - |
| 2005 | 3/4 | 0/1 | 1/1 | - | 2/2 | - |
| 2004 | 3/2 | - | 3/2 | - | - | - |
Head-to-head: 1 - 0
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | Futures 2015 | Yamasaki | 1 | 4 | 6 | 5 | 1R | |||
| Koyama | 0 | 6 | 4 | 1 |
Betting odds
| Yamasaki Jumpei | Koyama Keita | |||||||||||||||||||
| bet-at-home | 1.18
|
3.95
|
||||||||||||||||||
| bet365 | 1.20
|
4.33
|
||||||||||||||||||
| Interwetten | 1.18
|
3.85
|
||||||||||||||||||
| Average odds | 1.19 |
4.04 |
||||||||||||||||||
No odds
No odds
No odds
Latest matches
- Yamasaki
| Yokohama challenger, 1R, 18.11.2025 | ||
| Mochizuki - Yamasaki | 2:0 | |
| Yokohama challenger, Q-R16, 17.11.2025 | ||
| Yamasaki - Nakagawa | 2:0 | |
| Yokohama challenger, Q-1R, 16.11.2025 | ||
| Yamasaki - Park | 1:0 | |
| Futures 2025, QF, 19.09.2025 | ||
| Kumasaka - Yamasaki | 2:1 | |
| Futures 2025, R16, 18.09.2025 | ||
| Yamasaki - Yamanaka | 2:0 | |
| Futures 2025, 1R, 16.09.2025 | ||
| Yamasaki - Palan | 1:0 | |
| Futures 2025, Q-R16, 15.09.2025 | ||
| Yamasaki - Mridha | 2:0 | |
| Futures 2025, Q-1R, 14.09.2025 | ||
| Yamasaki - Suzuki | 2:0 | |
| Futures 2025, Q-R16, 08.09.2025 | ||
| Tanuma - Yamasaki | 2:1 | |
| Futures 2025, Q-1R, 06.09.2025 | ||
| Yamasaki - Suzuki | 2:0 | |
- Koyama
| Futures 2015, 1R, 19.08.2015 | ||
| Yang - Koyama | 2:0 | |
| Futures 2015, 1R, 16.06.2015 | ||
| Yamasaki - Koyama | 1:0 | |
| Futures 2015, 1R, 10.06.2015 | ||
| Ono - Koyama | 2:1 | |
| Futures 2015, 1R, 01.06.2015 | ||
| Watanuki - Koyama | 2:0 | |
| Futures 2015, Q-R16, 23.03.2015 | ||
| Tanuma - Koyama | 2:0 | |
| Futures 2015, Q-2R, 22.03.2015 | ||
| Koyama - Hisamatsu | 2:0 | |
| Futures 2015, Q-1R, 21.03.2015 | ||
| Koyama - Harada | 2:0 | |
| Futures 2015, 1R, 16.03.2015 | ||
| Imai - Koyama | 2:0 | |
| Futures 2015, R16, 12.03.2015 | ||
| Lee - Koyama | 2:0 | |
| Futures 2015, 1R, 10.03.2015 | ||
| Koyama - Shiga | 2:1 | |
This week's tournaments
| Lower level tournaments | ||||
| Temuco challenger | 11 | |||
| Maia challenger | 13 | |||
| Bogotá challenger | 15 | |||
| Playford 2 challenger | 10 | |||
| Islamabad challenger | 9 | |||
| Manama 2 challenger | 9 | |||
| Athens challenger | 12 | |||
| UTR Pro Tennis Series | 23 | |||
| UTR Pro Tennis Series 3 | 72 | |||
| UTR Pro Tennis Series 5 | 42 | |||
| UTR Pro Tennis Series 9 | 24 | |||
| Buenos Aires WTA | 12 | |||
| Fujairah ITF | 7 | |||
| Playford ITF | 12 | |||
| Trnava 8 ITF | 15 | |||
| Ortisei ITF | 9 | |||
| Yokohama ITF | 14 | |||
| Antalya 35 ITF | 16 | |||
| Monastir 9 ITF | 13 | |||
| UTR Pro Tennis Series 5 | 12 | |||
| UTR Pro Tennis Series 9 | 20 | |||
| Heraklion 12 ITF | 13 | |||
| Lousada 2 ITF | 13 | |||
| Ribeirao Preto ITF | 24 | |||
| Sharm El Sheikh 23 ITF | 13 | |||
| Torello ITF | 11 | |||
| UTR Pro Match Series | 85 | |||
| UTR Pro Tennis Series | 70 | |||
- Player's profile
- Tournament search
- Head-to-head
- Interesting matches



