| ATP Singapore | 02/26 10:00 | 27 | [81] Soonwoo Kwon v Marin Cilic [44] | 2-6,6-2,5-7 | |
| ATP Singapore | 02/25 12:30 | 26 | [81] Soonwoo Kwon v Yasutaka Uchiyama [109] | 6-3,6-4 | |
| ATP Singapore | 02/24 04:00 | 25 | [81] Soonwoo Kwon v Thai-Son Kwiatkowski [219] | 4-6,6-3,6-4 | |
| Challenger Biella | 02/21 14:30 | 29 | [97] Soonwoo Kwon v Lorenzo Musetti [122] | 6-2,6-3 | |
| Challenger Biella | 02/20 10:00 | 28 | [123] Evgeny Donskoy v Soonwoo Kwon [97] | 3-6,7-6,1-6 | |
| Challenger Biella | 02/19 09:30 | 27 | [97] Soonwoo Kwon v Yannick Maden [175] | 6-2,6-1 | |
| Challenger Biella | 02/17 11:10 | 26 | [97] Soonwoo Kwon v Roberto Marcora [182] | 6-2,6-2 | |
| Challenger Biella | 02/15 12:45 | 25 | [97] Soonwoo Kwon v Jason Jung [136] | 6-3,6-4 | |
| Australian Open | 02/09 07:40 | 23 | [267] Thanasi Kokkinakis v Soonwoo Kwon [97] | 6-4,6-1,6-1 | |
| ATP Great Ocean Road Open | 02/03 03:05 | 25 | [42] Miomir Kecmanovic v Soonwoo Kwon [97] | 6-3,6-4 | |
| ATP Great Ocean Road Open | 02/01 04:25 | 24 | [102] Andrej Martin v Soonwoo Kwon [97] | 3-6,7-6,6-7 | |
| ATP Delray Beach | 01/07 23:00 | 25 | [95] Soonwoo Kwon v Sebastian Korda [119] | 4-6,4-6 |