Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Gimcheon | 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 | Gengo Kikuchi 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 |
| ITF M25 Matsuyama | 2019/04/09 01:00 | Sho Shimabukuro v Ren Nakamura | 6-4,6-1 |
| ITF M15 Tanger | 2019/07/15 09:00 | Javier Naser v Harry Thursfield | 6-3,2-6,11-9 |
| ITF M15 Guam | 2019/06/04 01:10 | Harry Thursfield v Karunuday Singh | 1-6,2-6 |
| ITF M15 Heraklion | 2019/05/13 09:00 | Harry Thursfield v Martin Dimitrov | 1-6,1-6 |
| ITF M15 Heraklion | 2019/05/06 09:00 | Harry Thursfield v Ervin H Eminefendic | 5-7,4-6 |
| ITF M15 Orange Park | 2019/04/15 14:00 | Harry Thursfield v Ritik Sundaram | 3-6,1-6 |
| ITF M25 Bolton | 2019/04/01 08:00 | Ronan Joncour v Harry Thursfield | 6-0,6-1 |
| ITF Tunisia F36 | 2018/10/14 08:30 | Harry Thursfield v Alex Solanki | 2-6,2-6 |
| ITF Tunisia F36 | 2018/10/13 08:30 | Harry Thursfield v Ronald Gabas | 6-2,3-6,6-0 |