Stadium: Court 11 Round: 54 Ground: Hardcourt outdoor
| 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 Kashiwa | 2019/04/01 00:00 | Kaito Uesugi v Ren Nakamura | 6-2,6-2 |
| ITF M15 Mornington | 2019/03/24 23:00 | Joseph W. Van Meter v Ren Nakamura | 3-6,7-5,13-11 |
| ITF M15 Mornington | 2019/03/17 23:00 | Ren Nakamura v Mislav Bosnjak | 2-6,4-6 |
| ITF M15 Daegu | 2019/06/05 03:45 | Cheong-Eui Kim v Minjong Park | 6-4,6-3 |
| ITF M15 Daegu | 2019/06/03 03:00 | Minjong Park v Kyubin Sakong | 6-0,6-1 |
| ITF Korea F5 | 2018/08/21 01:00 | Minjong Park v Edward Bourchier | 4-6,0-6 |
| ITF Korea F4 | 2018/08/17 01:00 | Ryota Tanuma v Minjong Park | 6-1,6-3 |
| ITF Korea F4 | 2018/08/13 03:00 | Minjong Park v William Ma | 6-3,6-1 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Sanhui Shin v Minjong Park | 6-0,6-7,6-4 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Minjong Park v Sang Yeop Kim | 6-3,6-4 |
| ITF Korea F2 | 2018/06/09 01:00 | Minjong Park v Geun Jun Kim | 6-1,6-4 |