| Akita Masters | 08/15 04:30 | 4 | Bai, Yupeng v Yamaguchi, Yosei | L | 2-0 | |
| Akita Masters | 08/14 01:30 | 5 | Б. Р. Санкирт v Yamaguchi, Yosei | W | 0-2 | |
| Akita Masters | 08/13 00:40 | 6 | Yamaguchi, Yosei v Винсон Чиу | - | Walkover | |
| Indonesia Masters XD | 12/17 00:09 | - | Кента Нисимото v Yamaguchi, Yosei | L | 2-1 | |
| Indonesia Masters XD | 12/15 16:55 | - | Jui Ting Hsu v Yamaguchi, Yosei | W | 0-2 |