Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M25 - Darwin | 2019/09/22 00:30 | Alexey Shtengelov v Taiyo Yamanaka | 2-6,2-6 |
| ITF M25 - Cairns | 2019/09/16 04:40 | Taiyo Yamanaka v Connor Johnson | 2-6,6-7 |
| ITF M25 - Cairns | 2019/09/15 05:30 | Moerani Bouzige v Taiyo Yamanaka | 5-7,6-0,5-10 |
| ITF Australia F8 | 2018/10/06 00:00 | Aaron Addison v Taiyo Yamanaka | 7-6,6-3 |
| ITF Australia F6 | 2018/09/22 00:30 | Taiyo Yamanaka v Matthew Mendez | 3-6,4-6 |
| ITF Australia F5 | 2018/09/19 00:00 | Calum Puttergill v Taiyo Yamanaka | 6-2,6-3 |
| ITF Australia F5 | 2018/09/16 00:00 | Taiyo Yamanaka v Bosko Novakovic | 6-4,6-0 |
| ITF Australia F5 | 2018/09/15 02:00 | Sam Ryan Ziegann v Taiyo Yamanaka | 7-6,1-6,5-7 |
| ITF M15 Hua Hin | 2019/09/02 08:05 | Aaron Schmid v Ren Nakamura | 7-5,6-3 |
| ITF M15 Hua Hin | 2019/08/27 04:00 | Ren Nakamura v Cameron Green | 1-6,4-6 |
| Challenger Yokkaichi | 2019/08/06 03:15 | Ren Nakamura v Lucas Catarina | 1-6,2-6 |
| ITF M25 - Taipei | 2019/07/23 03:50 | Ren Nakamura v Sam Taylor | 4-6,7-5,6-10 |
| ITF M25 - Taipei | 2019/07/22 02:00 | Ren Nakamura v Harry Thursfield | 6-2,6-2 |
| ITF M25 - Taipei | 2019/07/16 03:50 | Ren Nakamura v Seita Watanabe | 6-4,4-6,5-10 |
| ITF M15 - Anseong | 2019/06/26 04:30 | Sung Hun Kim v Ren Nakamura | 7-6,1-6,6-0 |
| ITF M15 - Gimcheon | 2019/06/18 01:00 | Ren Nakamura v Minjong Park | 5-7,6-7 |