Stadium: Shirley Lai Ct Round: 25 Ground: Hardcourt outdoor
| ITF M15 Antalya | 2022/05/15 07:00 | Mohamed Ali Abibsi v Daiki Yoshimura | 6-3,6-2 |
| ITF M15 Antalya | 2022/05/11 07:00 | Daiki Yoshimura v Gabriele Pennaforti | 4-6,1-6 |
| ITF M15 Antalya | 2022/05/10 07:00 | Samuil Konov v Daiki Yoshimura | 3-6,4-6 |
| ITF M15 Antalya | 2022/05/08 07:00 | Austin Hoole v Daiki Yoshimura | 0-6,0-6 |
| ITF M15 Antalya | 2022/05/03 09:30 | Lorenzo Gagliardo v Daiki Yoshimura | 6-2,6-2 |
| ITF M15 Antalya | 2022/05/02 11:05 | Ori Baron v Daiki Yoshimura | 6-7,1-6 |
| ITF M25 Canberra | 2022/03/23 00:45 | Ken Cavrak v Daiki Yoshimura | 6-2,6-1 |
| ITF M25 Canberra | 2022/03/22 01:50 | Daiki Yoshimura v Zac Osborne | 7-5,6-1 |
| ITF M25 Harmon | 2022/05/31 00:00 | Issei Okamura v Geun Jun Kim | 6-7,7-5,4-6 |
| ITF M15 Chiang Rai | 2022/04/19 02:00 | Thantub Suksumrarn v Issei Okamura | 6-3,7-6 |
| ITF M15 Chiang Rai | 2022/04/18 05:45 | Suphawat Saeoui v Issei Okamura | 4-6,2-6 |
| ITF M15 Chiang Rai Qual | 2022/04/17 12:10 | Issei Okamura v Ishaque Eqbal | 6-4,3-6,10-4 |
| ITF M15 Chiang Rai Qual | 2022/04/10 13:10 | Issei Okamura v Alexander Crnokrak | 3-6,4-6 |
| ITF M15 Chiang Rai | 2022/04/05 05:45 | Orel Kimhi v Issei Okamura | 6-7,7-6,6-2 |
| ITF M25 Canberra | 2022/03/31 02:45 | Dayne Kelly v Issei Okamura | 6-0,6-1 |
| ITF M25 Canberra | 2022/03/29 00:40 | Kento Takeuchi v Issei Okamura | 3-6,6-4,4-6 |