Stadium: Center Court Round: 27
| ITF Korea F3 | 2018/06/20 03:15 | Yu, Cheng-Yu v Niki, Takuto | 4-6,3-6 |
| ITF Korea F3 | 2018/06/19 07:10 | Moritani, Soichiro v Niki, Takuto | 0-6,0-6 |
| ITF Korea F2 | 2018/06/14 03:20 | Son, Ji Hoon v Niki, Takuto | 7-6,7-5 |
| ITF Korea F2 | 2018/06/13 04:55 | Niki, Takuto v Song, Min-Kyu | 3-6,7-5,6-3 |
| ITF Korea F1 | 2018/06/09 02:35 | Niki, Takuto v Jeamoon Lee | 3-6,6-4,4-6 |
| ITF Korea F1 | 2018/06/08 03:30 | Niki, Takuto v Chung, Hong | 6-1,6-0 |
| ITF Korea F1 | 2018/06/07 04:25 | Niki, Takuto v Noh, Sang-Woo | 6-3,6-2 |
| ITF Korea F1 | 2018/06/06 01:00 | Niki, Takuto v Kim, Sang Yeop | 6-0,6-0 |
| ITF Korea F3 | 2018/06/20 03:15 | Jae Hwan Kim v Shintaro Imai | 6-4,7-6 |
| ITF Korea F3 | 2018/06/19 02:35 | Noh, Sang-Woo v Jae Hwan Kim | 4-6,0-6 |
| ITF Korea F2 | 2018/06/16 02:40 | Jae Hwan Kim v Yunseong Chung | 4-6,7-5,2-6 |
| ITF Korea F2 | 2018/06/15 03:00 | Jae Hwan Kim v Moon, Ju-Hae | 6-4,6-1 |
| ITF Korea F2 | 2018/06/14 02:30 | Yu, Cheng-Yu v Jae Hwan Kim | 1-6,5-7 |
| ITF Korea F2 | 2018/06/13 03:30 | Jae Hwan Kim v Noh, Sang-Woo | 6-2,6-3 |
| ITF Korea F2 | 2018/06/11 03:30 | Jae Hwan Kim v Park, Sung Jun | 6-1,6-2 |
| ITF Korea F2 | 2018/06/10 02:00 | Jae Hwan Kim v Shin, Seung-Hun | 6-2,6-2 |