Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Kalaburagi | 2023/12/01 04:00 | David Pichler v Seita Watanabe | 6-2,6-0 |
| ITF M25 Kalaburagi | 2023/11/30 07:45 | Seita Watanabe v Rishi Reddy | 6-2,6-3 |
| ITF M25 Mumbai | 2023/11/22 03:30 | Seita Watanabe v Louis Wessels | 4-6,5-7 |
| ITF M25 Takasaki | 2023/09/20 01:00 | Naoki Nakagawa v Seita Watanabe | 6-3,6-2 |
| ITF M25 Takasaki | 2023/09/18 03:30 | Mitsuki Wei Kang Leong v Seita Watanabe | 4-6,4-6 |
| ITF M25 Sapporo | 2023/09/15 00:55 | Naoki Nakagawa v Seita Watanabe | 6-3,6-2 |
| ITF M25 Sapporo | 2023/09/13 03:00 | Seita Watanabe v Yuta Kikuchi | 6-1,6-3 |
| ITF M25 Sapporo | 2023/09/06 03:35 | Seita Watanabe v Tatsuma Ito | 6-4,4-6,4-6 |
| ITF M15 Kuala Lumpur | 2023/11/30 02:00 | Yeongseok Jeong v Hong-Lin Fu | 6-2,6-0 |
| ITF M15 Kuala Lumpur | 2023/11/29 04:10 | Shaoyun Liu v Hong-Lin Fu | 2-6,6-1,1-6 |
| ITF M15 Kuala Lumpur | 2023/11/28 04:00 | Tegar A S Wibowo v Hong-Lin Fu | 4-6,6-2,3-10 |
| ITF M15 Kuala Lumpur | 2023/11/27 04:00 | Lakshya Gupta v Hong-Lin Fu | 4-6,1-6 |
| ITF M15 Ipoh Perak | 2023/11/21 03:00 | Alexey Zakharov v Hong-Lin Fu | 6-2,6-1 |
| ITF M15 Ipoh Perak | 2023/11/20 01:30 | Hong-Lin Fu v Qiulin Wang | 6-1,6-0 |
| ITF M15 Ipoh Perak | 2023/11/19 02:00 | Taki Adachi v Hong-Lin Fu | 3-6,1-6 |
| ITF M15 Kuching | 2023/11/14 02:00 | Alexey Zakharov v Hong-Lin Fu | 6-1,7-5 |