Stadium: Court 7 Round: 54 Ground: Clay
| ITF M25 Kashiwa | 2023/04/02 00:30 | Ko Suzuki v Taiyo Yamanaka | 1-6,6-3,11-13 |
| ITF M25 Tsukuba | 2023/03/29 04:15 | Hiroki Moriya v Ko Suzuki | 6-3,6-1 |
| ITF M25 Tsukuba | 2023/03/27 05:30 | Ko Suzuki v Shunsuke Nakagawa | 6-2,6-4 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Yuttana Charoenphon v Ko Suzuki | 2-6,2-6 |
| ITF M25 Canberra | 2023/03/20 22:50 | Ko Suzuki v Seon Yong Han | 6-3,2-6,6-10 |
| ITF M25 Canberra | 2023/03/19 23:00 | Ko Suzuki v Luke Sorensen | 6-1,6-2 |
| ITF M25 Canberra | 2023/03/14 23:00 | Ko Suzuki v Naoki Tajima | 2-6,5-7 |
| ITF M25 Canberra | 2023/03/13 23:00 | Ko Suzuki v Matthew Woerndle | 6-0,6-2 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Nishith Naveen v Yusuke Kusuhara | 1-6,1-6 |
| ITF M15 Monastir | 2023/04/26 13:35 | Yusuke Kusuhara v Adrien Gobat | 6-7,5-7 |
| ITF M15 Monastir | 2023/04/24 14:30 | Yusuke Kusuhara v Oscar Lacides | 6-3,7-6 |
| ITF M15 Monastir | 2023/04/24 08:00 | Warren Wood v Yusuke Kusuhara | 4-6,4-6 |
| ITF M15 Monastir | 2023/04/17 08:00 | Chen-Yu Lu v Yusuke Kusuhara | 6-4,0-6,10-7 |
| ITF M15 Monastir | 2023/04/16 08:00 | Yusuke Kusuhara v Yamato Sueoka | 7-6,6-4 |
| ITF M25 Tsukuba | 2023/03/27 02:00 | Yusuke Kusuhara v Hikaru Shiraishi | 4-6,1-6 |
| Challenger Matsuyama | 2022/11/07 05:25 | Yusuke Kusuhara v Hiroki Moriya | 1-6,1-6 |