Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| Taipei, Singles M-ITF-TPE-01A | 2019/07/16 03:50 | Ren Nakamura v Seita Watanabe | 6-4,4-6,5-10 |
| ITF M15 Anseong | 2019/06/26 04:30 | Kim, Sung Hun v Ren Nakamura | 7-6,1-6,6-0 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/18 01:00 | Ren Nakamura v Park, Minjong | 5-7,6-7 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/17 01:00 | Ren Nakamura v Sam Ryan Ziegann | 2-6,6-2,10-7 |
| ITF - M15 Karuizawa | 2019/05/30 06:15 | Kikuchi, Gengo v Ren Nakamura | 6-2,6-2 |
| ITF - M15 Karuizawa | 2019/05/29 04:20 | Ren Nakamura v Winter Meagher | 6-3,6-2 |
| ITF M15 Cancun | 2019/05/07 19:45 | Ren Nakamura v Jesse Flores | 2-6,2-6 |
| Matsuyama, Singles M-ITF-JPN-06A | 2019/04/09 01:00 | Sho Shimabukuro v Ren Nakamura | 6-4,6-1 |
| Tanger, Singles M-ITF-MAR-01A | 2019/07/15 09:00 | Naser, Javier v Thursfield, Harry | 6-3,2-6,11-9 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/04 01:10 | Thursfield, Harry v Singh, Karunuday | 1-6,2-6 |
| ITF - M15 Héraklion | 2019/05/13 09:00 | Thursfield, Harry v Dimitrov, Martin | 1-6,1-6 |
| ITF - M15 Héraklion | 2019/05/06 09:00 | Thursfield, Harry v Eminefendic, Ervin Haris | 5-7,4-6 |
| ITF - M15 Orange Park | 2019/04/15 14:00 | Thursfield, Harry v Sundaram, Ritik | 3-6,1-6 |
| Bolton, Qualifications Simples M-ITF-GBR-03A | 2019/04/01 08:00 | Joncour, Ronan v Thursfield, Harry | 6-0,6-1 |
| ITF Tunisia F36 | 2018/10/14 08:30 | Thursfield, Harry v Solanki, Alex | 2-6,2-6 |
| ITF Tunisia F36 | 2018/10/13 08:30 | Thursfield, Harry v Gabas, Ronald | 6-2,3-6,6-0 |