Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M25 Kashiwa | 2022/09/30 01:00 | Ryota Tanuma v Koki Matsuda | 7-6,6-3 |
| ITF M15 Nyiregyhaza | 2024/06/13 10:30 | Peter Nad v Koki Matsuda | 6-4,6-7,6-4 |
| ITF M25 Sarajevo | 2024/06/06 10:00 | Koki Matsuda v Jay Clarke | 2-6,2-6 |
| ITF M25 Sarajevo | 2024/06/05 11:00 | Michael Bassem Sobhy v Koki Matsuda | 4-6,1-6 |
| ITF M25 Kiseljak | 2024/05/29 10:20 | Koki Matsuda v Daniel Dutra Da Silva | 0-6,4-6 |
| ITF M15 Brcko | 2024/05/22 07:30 | Vladyslav Orlov v Koki Matsuda | 4-6,7-5,6-3 |
| ITF M15 Prijedor | 2024/05/16 07:55 | Sasa Markovic v Koki Matsuda | 6-0,4-6,6-3 |
| ITF M15 Prijedor | 2024/05/14 15:50 | Koki Matsuda v Lucio Carnevalle | 6-2,6-2 |
| ITF M15 Doboj | 2024/05/08 13:15 | Mili Poljicak v Koki Matsuda | 6-2,6-3 |
| ITF M15 Tokyo | 2024/07/09 01:00 | Ryota Tanuma v Yusuke Kusuhara | 6-4,6-4 |
| ITF M15 Tokyo | 2024/07/08 01:00 | Ryota Tanuma v Ryotaro Shimomura | 6-2,4-6,10-7 |
| ITF M15 Tokyo | 2024/07/03 05:15 | Yunseok Jang v Ryota Tanuma | 6-2,6-4 |
| UTR Pro Kawaguchi | 2024/06/24 08:15 | Yuta Tomida v Ryota Tanuma | 0-0 |
| UTR Pro Kawaguchi | 2024/06/24 00:30 | Hikaru Shiraishi v Ryota Tanuma | 4-6,3-6 |
| UTR Pro Kawaguchi | 2024/06/22 04:53 | Ryota Tanuma v Corey Craig | 7-6,2-6,7-5 |
| UTR Pro Kawaguchi | 2024/06/21 23:30 | Kohtaro Kuriyama v Ryota Tanuma | 5-7,5-7 |
| UTR Pro Kawaguchi | 2024/06/20 05:00 | Kotaro Mochizuki v Ryota Tanuma | 1-6,5-7 |