| Denmark Open | 10/18 06:00 | 5 |
H.S. Prannoy
v
Koki Watanabe 
|
- | Cancelled | |
| Arctic Open | 10/13 17:50 | 3 |
Anders Antonsen
v
Koki Watanabe
|
L | 2-1 | |
| Arctic Open | 10/12 17:00 | 4 |
Nhat Nguyen
v
Koki Watanabe
|
W | 0-2 | |
| Arctic Open | 10/11 12:20 | 5 |
Tzu Wei Wang
v
Koki Watanabe
|
W | 1-2 | |
| Vietnam Open | 09/15 08:30 | 3 |
Koki Watanabe v
Yu Kai Huang
|
L | 0-2 | |
| Vietnam Open | 09/14 10:15 | 4 |
Koki Watanabe v
Duc Phat Le
|
W | 2-0 | |
| Vietnam Open | 09/13 08:00 | 5 |
Koki Watanabe v
Keisuke Fujiwara
|
W | 2-0 | |
| Indonesia Masters | 09/07 03:00 | 4 |
Koki Watanabe v
Sholeh Aidil
|
L | 0-2 | |
| Indonesia Masters | 09/06 09:35 | 5 |
Koki Watanabe v
Kuan Lin Kuo
|
W | 2-0 | |
| Japan Open | 07/28 04:25 | 3 |
Koki Watanabe v
Lakshya Sen
|
L | 0-2 | |
| Japan Open | 07/27 03:50 | 4 |
Koki Watanabe v
Tze Yong Ng
|
W | 2-0 | |
| Japan Open | 07/26 05:30 | 5 |
Kento Momota
v
Koki Watanabe
|
W | 1-2 | |
| Korea Open | 07/20 07:05 | 4 |
Koki Watanabe v
Kenta Nishimoto
|
L | 0-2 | |
| Korea Open | 07/19 08:10 | 5 |
Chico Aura Dwi Wardoyo
v
Koki Watanabe
|
W | 1-2 | |
| Canada Open | 07/07 21:20 | 3 |
Koki Watanabe v
Shi Feng Li
|
L | 1-2 | |
| Canada Open | 07/06 18:10 | 4 |
Arnaud Merkle
v
Koki Watanabe
|
W | 1-2 | |
| Canada Open | 07/05 16:10 | 5 |
Nhat Nguyen
v
Koki Watanabe
|
W | 0-2 | |
| Orleans Masters | 04/06 16:00 | 4 |
Jun Hao Leong
v
Koki Watanabe
|
L | 2-0 | |
| Orleans Masters | 04/05 15:40 | 5 |
Koki Watanabe v
Kanta Tsuneyama
|
W | 2-1 | |
| Spain Masters | 03/31 12:25 | 3 |
Koki Watanabe v
Anders Antonsen
|
L | 0-2 | |
| Spain Masters | 03/30 09:30 | 4 |
Christo Popov
v
Koki Watanabe
|
W | 0-2 | |
| Spain Masters | 03/29 15:15 | 5 |
Koki Watanabe v
Tzu Wei Wang
|
W | 2-1 | |
| Swiss Open | 03/26 12:40 | 1 |
Tien Chen Chou
v
Koki Watanabe
|
W | 1-2 | |
| Swiss Open | 03/25 17:30 | 2 |
Koki Watanabe v
Zii Jia Lee
|
W | 2-0 | |
| Swiss Open | 03/24 13:00 | 3 |
Cheuk Yiu Lee
v
Koki Watanabe
|
W | 0-2 | |
| Swiss Open | 03/23 14:15 | 4 |
Toma Junior Popov
v
Koki Watanabe
|
W | 1-2 | |
| Swiss Open | 03/22 13:40 | 5 |
Sitthikom Thammasin
v
Koki Watanabe
|
W | 0-2 | |
| Thailand Masters | 02/02 06:00 | 4 |
Koki Watanabe v
Yu Qi Shi
|
L | 1-2 | |
| Thailand Masters | 02/01 03:00 | 5 |
Brian Yang
v
Koki Watanabe
|
W | 0-2 | |
| Indonesian Masters Qual | 01/24 01:20 | - |
Koki Watanabe v
June Wei Cheam
|
L | 1-2 |