| ITF M25安城 | 06/18 01:00 | 62 | Jinseok Yu v Hyun Woo Cho | 1-6,3-6 | |
| ITF M25昌原 | 06/11 07:30 | 62 | Ku Keon Kang v Jinseok Yu | 7-6,6-1 | |
| ITF M25大邱 | 06/05 06:25 | 62 | Ku Keon Kang v Jinseok Yu | 6-1,4-6,10-7 | |
| ITF M25大邱 | 06/04 01:00 | 62 | Jinseok Yu v Jiho Lee | 6-3,6-3 | |
| 金泉挑战赛资格赛 | 05/06 05:50 | 46 | Jinseok Yu v 布莱顿 克莱恩 | 3-6,4-6 | |
| 金泉挑战赛资格赛 | 05/05 06:25 | 45 | Jinseok Yu v 申宇彬 | 6-2,6-2 | |
| ITF韩国F8 | 09/05 01:30 | 62 | Sanhui Shin v Jinseok Yu | 7-5,6-3 | |
| ITF韩国F8 | 08/28 02:00 | 62 | Jinseok Yu v Ji-Ha Kim | 1-6,3-6 |