ITF Hong Kong F5 12/26 05:45 25 Tung-Lin Wu v Chan-Yeong Oh 6-2,7-6
ITF Hong Kong F5 12/24 02:00 54 Chan-Yeong Oh v Sakai, Yuto 6-3,6-3
ITF Hong Kong F5 12/23 02:00 54 Chan-Yeong Oh v Adamson, Alec 7-5,6-3
Hong Kong F4, Simples 12/18 02:00 25 Liu, Shao-Fan v Chan-Yeong Oh 7-6,6-2
Hong Kong F4, Simples 12/18 02:00 25 Hong Kit Wong v Chan-Yeong Oh Cancelled
ITF Korea F4 06/22 02:00 26 Chan-Yeong Oh v Song, Min-Kyu 5-7,2-6
ITF Korea F4 06/20 03:40 25 Chan-Yeong Oh v Lee, Tae-Woo 7-6,7-6
ITF Korea F3 06/13 02:00 25 Song, Min-Kyu v Chan-Yeong Oh 7-5,5-7,6-4
ITF Korea F2 06/09 02:00 27 Nguyen, Daniel v Chan-Yeong Oh 2-6,6-2,6-4
ITF Korea F2 06/08 02:40 26 Chan-Yeong Oh v Chung, Hong 7-6,3-6,6-3
ITF Korea F2 06/08 02:30 - Chan-Yeong Oh v Chung, Hong 7-6,3-6,5-3
ITF Korea F2 06/06 01:00 25 Yun, Jae Won v Chan-Yeong Oh 2-6,0-6
ITF Korea F1 06/02 02:50 27 Chan-Yeong Oh v Makoto Ochi 0-6,2-6
ITF Korea F1 06/01 02:00 26 Moon, Ju-Hae v Chan-Yeong Oh 3-6,2-6
ITF Korea F1 05/31 06:40 25 Chan-Yeong Oh v Jang, Woo Hyeok 6-2,4-6,6-1
Challenger - Busan 05/15 08:00 25 Chan-Yeong Oh v Doumbia, Sadio 6-2,2-6,2-6
Challenger Seoul Qual 05/07 01:30 46 Chan-Yeong Oh v Luke Saville 2-6,4-6
Challenger Seoul Qual 05/06 01:00 45 Chan-Yeong Oh v Cho, Hyeong Jin 6-1,6-2
Challenger Gimcheon Qual 04/30 02:50 46 Chan-Yeong Oh v Hubert Hurkacz 0-6,3-6
Challenger Gimcheon Qual 04/29 03:50 45 Kim, Hangyeom v Chan-Yeong Oh 2-6,3-6
ITF Japan F5 04/05 02:50 26 Chan-Yeong Oh v Niki, Takuto 4-6,6-3,2-6
ITF Japan F5 04/03 02:25 25 Masamichi Imamura v Chan-Yeong Oh 6-7,6-4,3-6
ITF Japan F4 03/29 05:30 25 Chan-Yeong Oh v Ito, Yuichi 4-6,1-6
ITF Japan F4 03/28 01:00 62 Chan-Yeong Oh v Matsuo, Yuki 6-1,6-1
ITF Japan F4 03/25 02:00 62 Chan-Yeong Oh v Kudo, Hayato 6-3,6-3
ITF Japan F3 03/23 01:00 27 Vinsant, Shane v Chan-Yeong Oh 6-2,3-6,6-3
ITF Japan F3 03/22 03:00 26 Chan-Yeong Oh v Moritani, Soichiro 6-3,3-6,6-4
ITF Japan F3 03/20 01:00 25 Masaya Kobayashi v Chan-Yeong Oh 4-6,2-6
ITF Japan F3 03/19 01:00 62 Chan-Yeong Oh v Maesaki, Naoya 6-2,6-4
ITF Japan F3 03/18 08:00 62 Chan-Yeong Oh v Nakamura, Yuki 6-3,1-6,7-5