Estadio: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Yanagawa | 2023/12/21 01:50 | Kousuke Ogura v Hikaru Shiraishi | 4-6,3-6 |
| ITF M15 Zahra | 2023/12/06 10:30 | Alastair Gray v Kousuke Ogura | 6-3,3-6,6-3 |
| ITF M15 Al Zahra | 2023/11/29 08:45 | Kousuke Ogura v Aleksandre Bakshi | 1-6,3-6 |
| ITF M15 Santo Domingo | 2023/11/17 15:00 | Roberto Cid Subervi v Kousuke Ogura | 6-3,6-1 |
| ITF M15 Santo Domingo | 2023/11/16 13:30 | Marcel Kamrowski v Kousuke Ogura | 3-6,0-6 |
| ITF M15 Santo Domingo | 2023/11/14 15:30 | Mwendwa Mbithi v Kousuke Ogura | 6-1,4-6,4-6 |
| ITF M15 Santo Domingo | 2023/11/08 16:30 | Kousuke Ogura v Evan Bynoe | 6-1,2-6,2-6 |
| ITF M25 Sapporo | 2023/09/15 03:20 | Kousuke Ogura v Kazuki Nishiwaki | 4-6,7-5,2-6 |
| ITF M15 Yanagawa | 2023/12/26 00:30 | Jay Friend v Kai-I Wang | 6-3,6-1 |
| ITF M15 Yanagawa | 2023/12/25 00:30 | Issei Okamura v Jay Friend | 2-6,2-6 |
| ITF M15 Eupen | 2023/08/07 10:00 | Jay Friend v Arthur Bonnaud | 4-6,4-6 |
| ITF M15 Monastir | 2023/06/12 08:30 | Oscar Lacides v Jay Friend | 6-4,6-3 |
| ITF M15 Monastir | 2023/06/11 10:00 | Mika Lipp v Jay Friend | 1-6,5-7 |
| ITF M15 Monastir | 2023/06/07 12:50 | Jay Friend v Ilya Snitari | 6-7,5-7 |
| ITF M15 Monastir | 2023/06/05 14:30 | Antonio Prat v Jay Friend | 1-6,4-6 |
| ITF M15 Monastir | 2023/06/04 08:30 | Jay Friend v Oscar Lacides | 7-6,7-5 |