Stadium: Court 11 Round: 54 Ground: Hardcourt outdoor
| 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 M25 Mildura | 2019/03/06 05:50 | Ren Nakamura v Lucas Vuradin | 4-6,2-6 |
| ITF M25 Mildura | 2019/03/04 23:00 | William Ma v Ren Nakamura | 4-6,2-6 |
| ITF M25 Mildura | 2019/03/04 01:30 | Winter Meagher v Ren Nakamura | 4-6,1-6 |
| ITF M25 Albury | 2019/02/26 23:30 | Rio Noguchi v Ren Nakamura | 6-1,6-1 |
| ITF M25 Albury | 2019/02/26 01:40 | Cameron Green v Ren Nakamura | 7-6,6-7,5-10 |
| 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 |
| ITF Korea F1 | 2018/06/07 02:35 | Minjong Park v Yong-Kyu Lim | 5-7,1-6 |
| ITF Korea F1 | 2018/06/05 03:00 | Minjong Park v Cing-Yang Meng | 6-3,6-3 |