Stadium: Table 2 Round: 3
| WTT Contender - Záhreb - kvalifikácia | 2023/06/28 11:20 | Ryoichi Yoshiyama v Dongsoo Kang | L | 0-3 |
| WTT Feeder Düsseldorf | 2024/04/11 12:00 | Benedikt Duda v Ryoichi Yoshiyama | W | 1-3 |
| WTT Feeder Düsseldorf | 2024/04/10 17:00 | Ryoichi Yoshiyama v Finn Luu | W | 3-0 |
| WTT Feeder Düsseldorf | 2024/04/10 12:20 | Daniel Gonzalez v Ryoichi Yoshiyama | W | 2-3 |
| Japonsko - T League | 2024/03/23 10:30 | Shunsuke Togami v Ryoichi Yoshiyama | L | 3-0 |
| Japonsko - T League | 2024/03/22 11:30 | Maharu Yoshimura v Ryoichi Yoshiyama | W | 0-1 |
| WTT Feeder - Biella | 2023/12/17 10:00 | Ryoichi Yoshiyama v Benedikt Duda | L | 1-3 |
| WTT Feeder - Biella | 2023/12/16 16:10 | Adrien Rassenfosse v Ryoichi Yoshiyama | W | 2-3 |
| WTT Feeder - Biella | 2023/12/15 18:25 | Ryoichi Yoshiyama v Yaroslav Zhmudenko | W | 3-1 |
| WTT Feeder Düsseldorf | 2024/04/11 11:45 | Gyuhyeon Park v Dongsoo Kang | W | 2-3 |
| WTT Feeder Düsseldorf | 2024/04/10 17:25 | Dongsoo Kang v Nicholas Lum | W | 3-0 |
| WTT Feeder Düsseldorf | 2024/04/10 12:20 | Dongsoo Kang v Martin Allegro | W | 3-1 |
| WTT Feeder Düsseldorf - kval. | 2024/04/09 16:35 | Dongsoo Kang v Joe Seyfried | W | 3-2 |
| WTT Feeder Düsseldorf - kval. | 2024/04/09 12:10 | Dongsoo Kang v Benno Oehme | W | 3-1 |
| WTT Feeder Düsseldorf - kval. | 2024/04/08 16:45 | Dongsoo Kang v Josh Shao Han Chua | W | 3-2 |
| Poland Ekstaklasa Women | 2024/03/19 18:42 | Marcos Freitas v Dongsoo Kang | W | 0-2 |
| WTT Star Contender Goa | 2024/01/26 14:10 | Hugo Calderano v Dongsoo Kang | L | 3-0 |