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 Bayer Leverkusen Women 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 - Maria F H Gonzalez v Koki Watanabe W 1-2
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