Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF - M25 Darwin | 2019/09/23 03:00 | Taiyo Yamanaka v Ren Nakamura | 6-2,6-4 |
| ITF - M15 Kuching | 2023/11/15 03:30 | Jimmy Yang v Ren Nakamura | 2-6,4-6 |
| ITF - M15 Kuching | 2023/11/14 02:30 | Tanguy Genier v Ren Nakamura | 4-6,4-6 |
| ITF - M15 Kuching | 2023/11/13 04:00 | Ren Nakamura v Ryuhei Azuma | 6-2,6-4 |
| ITF - M25 Takasaki | 2023/09/17 05:00 | Hayato Matsuoka v Ren Nakamura | 6-1,7-5 |
| ITF - M25 Hongkong - kval. | 2023/09/04 02:00 | Collin Altamirano v Ren Nakamura | 6-4,6-1 |
| ITF - Hong Kong - M25 | 2023/08/28 02:00 | Blake Mott v Ren Nakamura | 6-3,4-6,10-7 |
| ITF - Hong Kong - M25 | 2023/08/27 02:30 | Ren Nakamura v Rohan Mehra | 6-3,6-3 |
| ITF - M25 Tainan | 2023/08/21 04:05 | Jesse Delaney v Ren Nakamura | 6-2,6-3 |
| ITF - M25 Cairns | 2023/10/10 23:50 | Daisuke Sumizawa v Taiyo Yamanaka | 6-2,6-2 |
| ITF - M25 Cairns | 2023/10/05 03:35 | Taiyo Yamanaka v Jake Delaney | 4-6,1-6 |
| ITF - M25 Cairns | 2023/10/04 01:45 | Taisei Ichikawa v Taiyo Yamanaka | 2-6,1-6 |
| ITF - M25 Darwin | 2023/09/21 06:30 | Taiyo Yamanaka v Scott Jones | 6-2,1-6,6-7 |
| ITF - M25 Darwin | 2023/09/19 09:25 | Jacob Brumm v Taiyo Yamanaka | 5-7,4-6 |
| ITF - M25 Darwin | 2023/09/14 05:25 | Taiyo Yamanaka v Jeremy Beale | 6-7,2-6 |
| ITF - M25 Darwin | 2023/09/13 05:30 | Taiyo Yamanaka v Timmy Karpinski | 4-6,6-4,6-2 |
| ITF - M15 Nakhon Si Thammarat | 2023/09/05 03:40 | Jacob Bradshaw v Taiyo Yamanaka | 2-6,6-3,7-6 |