| ITF M15 Akishima MD | 06/13 04:55 | 27 | Okagaki/Yuzuki v Noguchi/Tanaka | 4-6,4-6 | |
| ITF M15 Akishima MD | 06/12 03:30 | 26 | Kwon/Lee v Kosuke Okagaki/Yuzuki | 3-6,2-6 | |
| ITF M15 - Antalya - čtyřhra muži | 03/21 11:55 | 27 | M R Alves/Rodriguez v Kosuke Okagaki/Yuzuki | 7-5,6-3 | |
| ITF M15 - Antalya - čtyřhra muži | 03/20 12:35 | 26 | Bilgin/Bora Sengul v Kosuke Okagaki/Yuzuki | 2-6,0-6 | |
| ITF M15 - Antalya - čtyřhra muži | 03/06 11:00 | 26 | Korda/Mejia v Kosuke Okagaki/Yuzuki | 6-2,7-5 |