| Australian Open | 11/18 06:00 | 3 |
Koki Watanabe v
Kodai Naraoka
|
L | 1-2 | |
| Australian Open | 11/17 03:00 | 4 |
Koki Watanabe v
Kenta Nishimoto
|
W | 2-0 | |
| Australian Open | 11/16 02:40 | 5 |
Koki Watanabe v
Sitthikom Thammasin
|
W | 2-0 | |
| Indonesia Masters | 10/20 09:00 | 4 |
Jun Hao Leong
v
Koki Watanabe
|
L | 2-1 | |
| Indonesia Masters | 10/19 10:00 | 5 |
Donghun Kim
v
Koki Watanabe
|
W | 0-2 | |
| Taipei Open | 07/21 07:20 | - |
Koki Watanabe v
Joo Ven Soong
|
L | 0-2 | |
| Taipei Open | 07/20 01:50 | 5 |
Koki Watanabe v
Yu Hsien Lin
|
W | 2-0 | |
| Singapore Open | 07/14 05:20 | - |
Shi Feng Li
v
Koki Watanabe
|
L | 2-0 | |
| Singapore Open | 07/13 08:25 | 5 |
Hans-Kristian Vittinghus
v
Koki Watanabe
|
W | 1-2 | |
| Malaysia Masters | 07/06 07:50 | 5 |
Koki Watanabe v
Kento Momota
|
L | 0-2 | |
| Thailand Open | 05/19 11:20 | 4 |
Daren Liew
v
Koki Watanabe
|
L | 2-1 | |
| Thailand Open | 05/18 10:00 | 5 |
Mads Christophersen
v
Koki Watanabe
|
W | 0-2 | |
| Asia Championships | 04/28 02:00 | 4 |
Kean Yew Loh
v
Koki Watanabe
|
L | 2-0 | |
| Asia Championships | 04/27 05:40 | 5 |
Dmitriy Panarin
v
Koki Watanabe
|
W | 0-2 | |
| Korea Open | 04/06 03:30 | 5 |
Koki Watanabe v
Kunlavut Vitidsarn
|
L | 0-2 | |
| Swiss Open | 03/23 11:10 | - |
Koki Watanabe v
Christo Popov
|
L | 1-2 | |
| World Championships | 12/14 12:20 | 6 |
Jun Peng Zhao
v
Koki Watanabe
|
L | 2-0 | |
| World Championships | 12/12 10:50 | 6 |
Anuoluwapo Juwon Opeyori
v
Koki Watanabe
|
W | 0-2 | |
| Indonesia Open | 11/24 07:00 | - |
Koki Watanabe v
Viktor Axelsen
|
L | 0-2 | |
| Indonesia Masters | 11/18 02:00 | 5 |
Ka Long Angus Ng
v
Koki Watanabe
|
L | 2-0 | |
| Indonesia Masters | 11/16 09:50 | 5 |
Koki Watanabe v
Kantaphon Wangcharoen
|
W | 2-0 | |
| Hylo Open | 11/03 11:00 | - |
Koki Watanabe v
Srikanth Kidambi
|
L | 0-2 | |
| All England Open | 03/17 17:00 | 5 |
Koki Watanabe v
Viktor Axelsen
|
L | 1-2 | |
| Asia Team Championships | 02/12 09:00 | - |
Koki Watanabe v
Kunlavut Vitidsarn
|
L | 1-2 | |
| Thailand Masters | 01/23 13:45 | 4 |
Koki Watanabe v
Shesar Hiren Rhustavito
|
L | 0-2 | |
| Thailand Masters | 01/22 06:00 | 5 |
Koki Watanabe v
Fei Xiang Sun
|
W | 2-1 | |
| Indonesia Masters Qual | 01/14 08:38 | - |
Koki Watanabe v
Jun Peng Zhao
|
L | 0-1 | |
| Indonesia Masters Qual | 01/14 04:00 | - |
Toby Penty
v
Koki Watanabe
|
W | 0-2 | |
| Malaysia Masters | 01/08 07:30 | 5 |
Koki Watanabe v
Ka Long Angus Ng
|
L | 1-2 | |
| Malaysia Masters Qual | 01/07 06:35 | - |
Joo Ven Soong
v
Koki Watanabe
|
W | 1-2 |