Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/06/23 03:00 | Na, Jung-Woong v Burapharitta, Phassawit | 6-4,6-2 |
| ITF Thailand F9 | 2015/06/18 03:00 | Na, Jung-Woong v Isarow, Pruchya | 6-4,6-4 |
| ITF Thailand F9 | 2015/06/17 03:30 | Na, Jung-Woong v Sornbutnark, Warit | 6-2,6-3 |
| ITF Thailand F9 | 2015/06/15 04:10 | Singh, Karunuday v Na, Jung-Woong | 2-6,3-6 |
| ITF Korea F1 | 2015/05/20 02:00 | Christopher O'Connell v Na, Jung-Woong | 6-3,6-4 |
| ITF Korea F1 | 2015/05/19 02:50 | Na, Jung-Woong v Soonwoo Kwon | 6-2,6-3 |
| ITF Korea F1 | 2015/05/17 02:00 | Na, Jung-Woong v Choi, Jae-Won | 6-1,6-3 |
| ITF Egypt F33 | 2015/02/23 08:00 | Na, Jung-Woong v Lucas Miedler | 6-0,3-6,4-6 |
| ITF Thailand F9 | 2015/06/23 03:00 | Itzstein, Zach v Takeuchi, Kento (1987) | 3-6,5-7 |
| ITF Thailand F9 | 2015/06/20 03:00 | Takeuchi, Kento (1987) v Sekiguchi, Shuichi | 1-6,2-6 |
| ITF Thailand F9 | 2015/06/18 03:00 | Takeuchi, Kento (1987) v Kondo, Hiroki | 6-0,7-6 |
| ITF Thailand F9 | 2015/06/17 03:30 | Takeuchi, Kento (1987) v Burapharitta, Phassawit | 4-6,6-2,6-3 |
| ITF Japan F7 Qual | 2015/06/13 00:00 | Tsunematsu, Takumi v Takeuchi, Kento (1987) | 2-6,6-4,7-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Saito, Takashi v Takeuchi, Kento (1987) | 6-4,6-2 |
| ITF Japan F6 | 2015/06/11 01:00 | Ko Suzuki v Takeuchi, Kento (1987) | 6-7,3-6 |
| ITF Japan F6 | 2015/06/09 07:45 | Ito, Yuichi v Takeuchi, Kento (1987) | 2-6,0-6 |