Stadium: Court 4 Round: 19 Ground: Hardcourt outdoor
| Challenger Yokohama | 2023/11/19 05:10 | Giovanni Fonio v Hiroki Moriya | 5-7,6-3,6-4 |
| Challenger Kobe | 2023/11/14 05:00 | Giovanni Fonio v Shintaro Mochizuki | 6-4,2-6,3-6 |
| Challenger Kobe | 2023/11/13 02:55 | Giovanni Fonio v Shinji Hazawa | 6-3,6-7,6-1 |
| Challenger Kobe | 2023/11/12 05:25 | Giovanni Fonio v Hiroki Moriya | 7-5,6-2 |
| Challenger Matsuyama | 2023/11/07 03:45 | Sho Shimabukuro v Giovanni Fonio | 5-7,6-4,6-4 |
| ITF - M25 Santa Margherita | 2023/10/25 08:00 | Giovanni Fonio v Giovanni Oradini | 6-3,3-6,2-6 |
| ITF - M25 Santa Margherita | 2023/10/24 09:00 | Giovanni Fonio v Giammarco Gandolfi | 6-2,6-3 |
| ITF - M25 Santa Margherita | 2023/10/19 09:20 | Giovanni Fonio v Nerman Fatic | 6-7,4-6 |
| Challenger Yokohama | 2023/11/19 07:55 | Nathan Ponwith v Colin Sinclair | 3-6,6-7 |
| Challenger Kobe | 2023/11/12 01:00 | James Trotter v Colin Sinclair | 6-4,7-5 |
| Challenger Sydney | 2023/10/30 04:05 | Colin Sinclair v Marc Polmans | 4-6,2-6 |
| Challenger - Shenzhen | 2023/10/19 07:55 | Colin Sinclair v Lorenzo Giustino | 3-6,4-6 |
| Challenger - Shenzhen | 2023/10/16 07:00 | Evgeny Donskoy v Colin Sinclair | 6-2,3-6,4-6 |
| Challenger - Shenzhen | 2023/10/11 03:40 | Thanasi Kokkinakis v Colin Sinclair | 6-2,3-6,6-3 |
| Challenger - Shenzhen | 2023/10/10 04:00 | Colin Sinclair v Tsung-Hao Huang | 3-6,6-4,6-2 |
| Challenger - Shenzhen | 2023/10/09 09:35 | Colin Sinclair v Ray Ho | 6-3,6-4 |