Stadium: Court 14 Round: 62
| ITF Korea F5 | 2018/08/18 01:00 | Ren Nakamura v Mingyuan Yang | 6-1,6-0 |
| ITF Korea F4 | 2018/08/13 03:00 | Ren Nakamura v Tae-Woo Lee | 1-6,1-6 |
| ITF Austria F5 Qual | 2018/07/29 10:30 | Ren Nakamura v Vital Flurin Leuch | 6-3,6-7,4-6 |
| ITF Austria F4 Qual | 2018/07/21 10:00 | Andreas Kramer v Ren Nakamura | 6-3,6-4 |
| ITF Guam F1 | 2018/06/18 02:10 | Hiroyasu Ehara v Ren Nakamura | 6-4,6-4 |
| ITF Tunisia F21 | 2018/05/26 10:00 | Ren Nakamura v Sacha Modica | 3-6,2-6 |
| ITF Tunisia F20 | 2018/05/23 11:55 | Ren Nakamura v Quentin Gueydan | 3-6,0-6 |
| ITF Tunisia F20 | 2018/05/20 09:00 | Marko Vejnovic v Ren Nakamura | 3-6,5-7 |
| ITF Korea F5 | 2018/08/18 01:00 | Ki Su Jung v Jeong Heon Lee | 6-3,6-1 |
| ITF Korea F4 | 2018/08/14 01:00 | Ki Su Jung v Geun Jun Kim | 2-6,1-6 |
| ITF Korea F4 | 2018/08/13 01:00 | Ki Su Jung v Jin Sung Han | 6-4,6-3 |
| ITF Korea F4 | 2018/08/12 02:00 | Jae-Min Seol v Ki Su Jung | 3-6,2-6 |
| ITF Korea F4 | 2018/08/11 01:00 | Ki Su Jung v Hyeon il Jung | 6-3,6-4 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Ki Su Jung v Oh-Hee Kwon | 0-6,1-6 |
| ITF Korea F2 | 2018/06/12 02:30 | Ju-Hae Moon v Ki Su Jung | 6-2,6-4 |
| ITF Korea F1 | 2018/06/04 03:00 | Ki Su Jung v Loic Ratsaratany | 6-7,3-6 |