| WTT Contender Muscat | 10/30 15:55 | 5 |
Navid Shams
v
Ryoichi Yoshiyama 
|
L | 3-2 | |
| Japan T League | 10/20 05:00 | - |
Ryoichi Yoshiyama v
Sora Matsushima
|
W | 3-2 | |
| Japan T League | 09/21 05:30 | - |
Ryoichi Yoshiyama v
Hiroto Shinozuka
|
L | 1-3 | |
| WTT Contender Almaty | 09/06 15:25 | 4 |
Yukiya Uda
v
Ryoichi Yoshiyama
|
L | 3-2 | |
| WTT Contender Almaty | 09/05 14:45 | 5 |
Baldwin Chan
v
Ryoichi Yoshiyama
|
W | 1-3 | |
| WTT Feeder Muscat | 09/01 14:45 | 1 |
Ryoichi Yoshiyama v
Fei Xue
|
L | 1-3 | |
| WTT Feeder Muscat | 09/01 08:05 | 2 |
Yuanyu Chen
v
Ryoichi Yoshiyama
|
W | 1-3 | |
| WTT Feeder Muscat | 08/31 15:00 | 3 |
Ruibo Wen
v
Ryoichi Yoshiyama
|
W | 2-3 | |
| WTT Feeder Muscat | 08/31 08:40 | 4 |
Sanil Shetty
v
Ryoichi Yoshiyama
|
W | 0-3 | |
| WTT Feeder Muscat | 08/30 09:50 | 5 |
Mohammed Ali
v
Ryoichi Yoshiyama
|
W | 0-3 | |
| WTT Contender Lima | 08/22 21:15 | 5 |
Ryoichi Yoshiyama v
Darko Jorgic
|
L | 2-3 | |
| WTT Contender Tunis | 06/27 09:55 | 5 |
Esteban Dorr
v
Ryoichi Yoshiyama
|
L | 3-1 | |
| WTT Feeder Havirov | 04/15 10:00 | 6 |
Andrea Landrieu
v
Ryoichi Yoshiyama
|
L | 3-1 | |
| WTT Feeder Dusseldorf | 04/11 16:45 | 3 |
Ryoichi Yoshiyama v
Dongsoo Kang
|
L | 1-3 | |
| WTT Feeder Dusseldorf | 04/11 12:00 | 4 |
Benedikt Duda
v
Ryoichi Yoshiyama
|
W | 1-3 | |
| WTT Feeder Dusseldorf | 04/10 17:00 | 5 |
Ryoichi Yoshiyama v
Finn Luu
|
W | 3-0 | |
| WTT Feeder Dusseldorf | 04/10 12:20 | 6 |
Daniel Gonzalez
v
Ryoichi Yoshiyama
|
W | 2-3 | |
| Japan T League | 03/23 10:30 | - |
Shunsuke Togami
v
Ryoichi Yoshiyama
|
L | 3-0 | |
| Japan T League | 03/22 11:30 | - |
Maharu Yoshimura
v
Ryoichi Yoshiyama
|
W | 0-1 | |
| WTT Feeder Biella | 12/17 10:00 | 2 |
Ryoichi Yoshiyama v
Benedikt Duda
|
L | 1-3 | |
| WTT Feeder Biella | 12/16 16:10 | 3 |
Adrien Rassenfosse
v
Ryoichi Yoshiyama
|
W | 2-3 | |
| WTT Feeder Biella | 12/15 18:25 | 4 |
Ryoichi Yoshiyama v
Yaroslav Zhmudenko
|
W | 3-1 | |
| WTT Feeder Biella | 12/15 12:05 | 5 |
Mihai Bobocica
v
Ryoichi Yoshiyama
|
W | 2-3 | |
| WTT Feeder Biella | 12/14 16:15 | 6 |
Ryoichi Yoshiyama v
John Oyebode
|
W | 3-2 | |
| Japan T League | 11/17 10:30 | - |
Jaehyun An
v
Ryoichi Yoshiyama
|
L | 3-2 | |
| WTT Contender Taiyuan Quals | 11/07 12:25 | - |
Niagol Stoyanov
v
Ryoichi Yoshiyama
|
L | 3-2 | |
| WTT Feeder Doha II | 10/18 10:15 | 4 |
Yew En Koen Pang
v
Ryoichi Yoshiyama
|
L | 3-2 | |
| WTT Feeder Doha II | 10/17 16:00 | 5 |
Ryoichi Yoshiyama v
Cedric Nuytinck
|
W | 3-1 | |
| WTT Feeder Doha II | 10/17 08:25 | 6 |
Hyuk Kwon
v
Ryoichi Yoshiyama
|
W | 1-3 | |
| WTT Star Contender Lanzhou | 10/06 06:30 | 4 |
Ryoichi Yoshiyama v
Jinbao Ma
|
L | 2-3 |