Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/12/13 13:30 | Ryuki Matsuda v Luca Castagnola | 7-5,6-1 |
| ITF M25 Zlatibor | 2023/09/28 14:05 | Ryuki Matsuda v Andrew Paulson | 4-6,0-6 |
| Challenger Sibiu | 2023/09/17 10:30 | Ryuki Matsuda v Gabi Adrian Boitan | 3-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/09/13 10:15 | Nicolas Buitrago v Ryuki Matsuda | 6-3,6-4 |
| ITF M25 Hong Kong | 2023/09/09 10:00 | Henrik Wiersholm v Ryuki Matsuda | 6-4,6-2 |
| ITF M25 Hong Kong | 2023/09/07 02:30 | Duckhee Lee v Ryuki Matsuda | 6-3,4-6,4-6 |
| ITF M25 Hong Kong | 2023/09/06 04:10 | Shaoyun Liu v Ryuki Matsuda | 1-6,3-6 |
| ITF M25 Hong Kong | 2023/08/30 07:25 | Blake Mott v Ryuki Matsuda | 6-1,7-5 |
| ITF M15 Caloundra | 2023/08/03 00:00 | Ryuki Matsuda v Casey Hoole | 1-6,2-6 |
| ITF M15 Buschhausen | 2023/09/16 11:40 | Jonas Forejtek v Luca Castagnola | 7-5,6-0 |
| ITF M15 Buschhausen | 2023/09/15 10:00 | Luca Castagnola v Hazem Naw | 0-6,6-3,6-4 |
| ITF M15 Buschhausen | 2023/09/14 10:00 | Luca Castagnola v Justin Engel | 6-1,6-3 |
| ITF M15 Buschhausen | 2023/09/12 11:35 | Luca Castagnola v Lukas Palovic | 6-1,6-3 |
| Challenger Genoa | 2023/09/04 08:00 | Chun Hsin Tseng v Luca Castagnola | 6-2,6-3 |
| Challenger Genoa | 2023/09/03 11:15 | Luca Castagnola v Gabriele Piraino | 6-3,5-7,6-1 |
| Challenger Como | 2023/08/27 08:00 | Luca Castagnola v Calvin Hemery | 0-6,4-6 |
| ITF M25 Lesa | 2023/08/24 14:30 | Tim Handel v Luca Castagnola | 2-6,6-3,6-4 |