| ITF Korea F8 | 08/25 02:00 | 27 | Min-Kyu Song v Young Seok Kim | 6-4,1-6,5-7 | |
| ITF Korea F8 | 08/24 04:55 | 26 | Young Seok Kim v Min Hyeok Cho | 7-5,6-2 | |
| ITF Korea F8 | 08/22 06:55 | 25 | Young Seok Kim v Uisung Park | 7-5,6-4 | |
| ITF Korea F1 | 06/16 01:00 | 26 | Ju-Hae Moon v Young Seok Kim | 7-5,6-4 | |
| ITF Korea F1 | 06/15 01:00 | 25 | Sanhui Shin v Young Seok Kim | 4-6,0-6 | |
| ITF Japan F4 | 03/31 02:55 | 26 | Young Seok Kim v Yosuke Watanuki | 2-6,0-6 | |
| ITF Japan F4 | 03/29 03:10 | 25 | Young Seok Kim v Takashi Saito | Retired | |
| ITF Japan F3 | 03/24 03:15 | 27 | Young Seok Kim v Shuichi Sekiguchi | 2-6,0-6 | |
| ITF Japan F3 | 03/23 03:10 | 26 | Hiroyasu Ehara v Young Seok Kim | Retired | |
| ITF Japan F3 | 03/21 01:15 | 25 | Karunuday Singh v Young Seok Kim | 2-6,1-6 | |
| ITF Japan F2 | 03/15 04:25 | 25 | Young Seok Kim v Issei Okamura | 7-6,3-6,4-6 | |
| ITF Japan F1 | 03/10 04:30 | 25 | Young Seok Kim v Takashi Saito | 4-6,2-6 | |
| ITF China F3 | 03/05 05:00 | 29 | Enrique Lopez-Perez v Young Seok Kim | 6-4,7-6 | |
| ITF China F3 | 03/04 02:00 | 28 | Young Seok Kim v Miljan Zekic | 6-4,7-5 | |
| ITF China F3 | 03/03 02:00 | 27 | Young Seok Kim v Alexander Centenari | 6-2,6-2 | |
| ITF China F3 | 03/02 02:00 | 26 | Young Seok Kim v Yuqing Ning | 7-6,6-2 | |
| ITF China F3 | 02/29 06:20 | 25 | Young Seok Kim v Hu Liu | 6-1,6-2 | |
| ITF China F2 | 02/25 04:30 | 26 | Gabriel Petit v Young Seok Kim | 6-2,4-6,6-3 | |
| ITF China F2 | 02/23 02:00 | 25 | Masato Shiga v Young Seok Kim | 4-6,3-6 | |
| ITF USA F6 | 02/05 15:00 | 27 | Young Seok Kim v Clement Geens | 2-6,6-4,3-6 | |
| ITF USA F6 | 02/04 15:30 | 26 | Thales Turini v Young Seok Kim | 3-6,6-7 | |
| ITF USA F6 | 02/02 14:00 | 25 | Young Seok Kim v Sam Riffice | 2-6,7-5,6-2 | |
| ITF USA F5 | 01/30 15:30 | 27 | Young Seok Kim v Jaume Pla Malfeito | 4-6,5-7 | |
| ITF USA F5 | 01/29 17:00 | 26 | Bastian Malla v Young Seok Kim | Retired | |
| ITF USA F5 | 01/27 19:00 | 25 | Maciej Rajski v Young Seok Kim | 5-7,6-4,3-6 | |
| ITF USA F4 | 01/19 16:30 | 25 | Young Seok Kim v Gianni Mina | 2-6,2-6 | |
| ITF USA F3 | 01/16 20:15 | 28 | Tommy Paul v Young Seok Kim | 6-1,6-3 | |
| ITF USA F3 | 01/16 15:00 | 27 | Diego Hidalgo v Young Seok Kim | 5-7,6-4,5-7 | |
| ITF USA F3 | 01/13 20:40 | 25 | Michael Lippens v Young Seok Kim | 6-3,3-6,4-6 | |
| ITF Thailand F9 | 11/30 05:35 | 25 | Young Seok Kim v Kittiphong Wachiramanowong | 4-6,4-6 |