| Malaysia Masters Qual | 01/07 03:10 | - |
Tanongsak Saensomboonsuk
v
Koki Watanabe 
|
W | 0-1 | |
| Korea Masters | 11/22 05:20 | 3 |
Jun Peng Zhao
v
Koki Watanabe
|
L | 2-1 | |
| Korea Masters | 11/21 07:25 | 4 |
Koki Watanabe v
Kunlavut Vitidsarn
|
W | 2-0 | |
| Korea Masters | 11/20 10:20 | 5 |
Koki Watanabe v
Lucas Corvee
|
W | 2-1 | |
| Vietnam Open | 09/12 09:20 | 4 |
Koki Watanabe v
Fei Xiang Sun
|
L | 0-2 | |
| Vietnam Open | 09/12 02:00 | 5 |
Kwang Hee Heo
v
Koki Watanabe
|
W | 1-2 | |
| Vietnam Open | 09/11 02:30 | 6 |
Koki Watanabe v
Miha Ivanic
|
W | 2-0 | |
| Chinese Taipei Open | 09/07 05:00 | 2 |
Kwang Hee Heo
v
Koki Watanabe
|
L | 2-1 | |
| Chinese Taipei Open | 09/06 09:00 | 3 |
Chia Hung Lu
v
Koki Watanabe
|
W | 0-2 | |
| Chinese Taipei Open | 09/05 09:15 | 4 |
Koki Watanabe v
Kean Yew Loh
|
W | 2-1 | |
| Chinese Taipei Open | 09/04 12:30 | 5 |
Chih Chieh Yang
v
Koki Watanabe
|
W | 0-2 | |
| Akita Masters | 08/16 02:15 | 3 |
Yu Igarashi
v
Koki Watanabe
|
L | 2-1 | |
| Akita Masters | 08/15 05:25 | 4 |
Koki Watanabe v
Pannawit Thongnuam
|
W | 2-0 | |
| Akita Masters | 08/14 02:10 | 5 |
Koki Watanabe v
Minoru Koga
|
W | 2-0 | |
| US Open | 07/11 22:00 | 4 |
Dong Keun Lee
v
Koki Watanabe
|
L | 2-1 | |
| US Open | 07/10 22:10 | 5 |
Victor Svendsen
v
Koki Watanabe
|
W | 0-2 | |
| Canada Open | 07/06 21:30 | 2 |
Koki Watanabe v
Shi Feng Li
|
L | 1-2 | |
| Canada Open | 07/05 22:00 | 3 |
Rajiv Ouseph
v
Koki Watanabe
|
W | 0-2 | |
| Canada Open | 07/04 21:55 | 4 |
Lan Xi Lei
v
Koki Watanabe
|
W | 1-2 | |
| Canada Open | 07/03 19:00 | 5 |
Koki Watanabe v
H.S. Prannoy
|
W | 2-0 | |
| Canada Open | 07/03 00:50 | 6 |
Koki Watanabe v
Jason Anthony Ho-Shue
|
W | 2-0 | |
| Australian Open Qual | 06/04 00:10 | - |
Feixiang Sun
v
Koki Watanabe
|
L | 2-1 | |
| New Zealand Open Qual | 04/29 22:35 | - |
Koki Watanabe v
Feixiang Sun
|
L | 0-2 | |
| Osaka Int. | 04/07 02:00 | - |
Takuma Obayashi
v
Koki Watanabe
|
W | 1-2 | |
| Osaka Int. | 04/06 04:30 | - |
Koki Watanabe v
Pengbo Ren
|
W | 2-0 | |
| Osaka Int. | 04/04 06:40 | - |
Hongyang Weng
v
Koki Watanabe
|
W | 0-2 | |
| Orleans Masters | 03/24 14:00 | 1 |
Koki Watanabe v
Thomas Rouxel
|
W | 2-1 | |
| Orleans Masters | 03/23 14:30 | 2 |
Koki Watanabe v
Shifeng Li
|
W | 2-0 | |
| Orleans Masters | 03/22 15:40 | 3 |
Gatjra P F Cupu
v
Koki Watanabe
|
W | 0-2 | |
| Orleans Masters | 03/21 17:40 | 4 |
Kashyap Parupalli
v
Koki Watanabe
|
W | 0-2 |