| Indonesia Open | 06/03 06:25 | 5 |
Cheuk Yiu Lee
v
Koki Watanabe 
|
L | 2-1 | |
| Singapore Open | 05/28 05:15 | 5 |
Koki Watanabe v
Shi Feng Li
|
L | 0-2 | |
| Sudirman Cup | 05/02 02:20 | - |
Koki Watanabe v
Tien Chen Chou
|
W | 2-1 | |
| Sudirman Cup | 04/29 01:50 | - |
Koki Watanabe v
Enogat Roy
|
W | 2-1 | |
| Asia Championships | 04/09 08:20 | 5 |
Koki Watanabe v
Jonatan Christie
|
L | 1-2 | |
| India Open | 01/14 06:55 | 5 |
Koki Watanabe v
Cheuk Yiu Lee
|
L | 0-2 | |
| Malaysia Open | 01/09 08:50 | 4 |
Koki Watanabe v
Fares Dessouki
|
L | 1-2 | |
| Malaysia Open | 01/08 05:00 | 5 |
Kean Yew Loh
v
Koki Watanabe
|
W | 0-2 | |
| China Masters | 11/20 09:35 | 7 |
Koki Watanabe v
Viktor Axelsen
|
L | 1-2 | |
| Kumamoto Masters | 11/14 04:25 | 4 |
Jun Hao Leong
v
Koki Watanabe
|
L | 2-1 | |
| Kumamoto Masters | 11/13 11:55 | 5 |
Chico Aura Dwi Wardoyo
v
Koki Watanabe
|
W | 1-2 | |
| Kumamoto Masters | 11/13 10:00 | 5 |
Minoru Koga
v
Koki Watanabe
|
- | Cancelled | |
| Denmark Open | 10/20 11:00 | 1 |
Koki Watanabe v
Anders Antonsen
|
L | 0-2 | |
| Denmark Open | 10/19 16:45 | 2 |
AS Real
v
Koki Watanabe
|
W | 0-2 | |
| Denmark Open | 10/18 17:30 | 3 |
Guang Zu Lu
v
Koki Watanabe
|
- | Retired | |
| Denmark Open | 10/17 07:00 | 4 |
Kunlavut Vitidsarn
v
Koki Watanabe
|
W | 0-2 | |
| Denmark Open | 10/15 07:55 | 5 |
Koki Watanabe v
Randers FC Reserves
|
W | 2-0 | |
| Arctic Open | 10/12 16:55 | 2 |
Tien Chen Chou
v
Koki Watanabe
|
L | 2-1 | |
| Arctic Open | 10/11 14:55 | 3 |
Zii Jia Lee
v
Koki Watanabe
|
W | 1-2 | |
| Arctic Open | 10/10 10:10 | 4 |
Guang Zu Lu
v
Koki Watanabe
|
W | 0-2 | |
| Arctic Open | 10/09 08:00 | 5 |
Julien Carraggi
v
Koki Watanabe
|
W | 1-2 | |
| China Open | 09/20 11:55 | 3 |
Koki Watanabe v
Kodai Naraoka
|
L | 1-2 | |
| China Open | 09/19 10:30 | 4 |
Koki Watanabe v
Tzu Wei Wang
|
W | 2-1 | |
| China Open | 09/17 05:10 | 5 |
Zii Jia Lee
v
Koki Watanabe
|
W | 0-2 | |
| Japan Open | 08/20 00:50 | 5 |
Chun-Yi Lin
v
Koki Watanabe
|
L | 2-0 | |
| Canada Open | 07/07 20:20 | 1 |
Alex Lanier
v
Koki Watanabe
|
W | 1-2 | |
| Canada Open | 07/06 18:00 | 2 |
Yushi Tanaka
v
Koki Watanabe
|
W | 0-2 | |
| Canada Open | 07/05 17:45 | 3 |
Koki Watanabe v
Kodai Naraoka
|
W | 2-1 | |
| Canada Open | 07/04 20:20 | 4 |
Kantaphon Wangcharoen
v
Koki Watanabe
|
W | 0-2 | |
| Canada Open | 07/03 23:15 | 5 |
Ayush Shetty
v
Koki Watanabe
|
W | 0-2 |
We're selling API, please Contact Us