ITF Korea F2 06/13 06:45 25 Hong Chung v Chan-Yeong Oh 2-6,2-6
ITF Korea F2 06/11 03:30 44 Chan-Yeong Oh v Sang Yeop Kim 6-3,6-3
ITF Korea F2 06/10 01:00 44 Chan-Yeong Oh v Minjong Park Retired
ITF Korea F1 06/07 01:00 26 Chan-Yeong Oh v Tae-Woo Lee 4-6,2-6
ITF Korea F1 06/05 01:00 25 Chan-Yeong Oh v Ku Keon Kang 6-4,6-4
Challenger - Busan 05/14 06:20 25 Kaichi Uchida v Chan-Yeong Oh 6-1,6-4
ITF Hong Kong F6 01/03 03:20 26 Harri Heliovaara v Chan-Yeong Oh 6-1,6-3
ITF Hong Kong F6 01/02 03:55 25 Chan-Yeong Oh v Anthony Jackie Tang 7-5,6-4
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 Yuto Sakai 6-3,6-3
ITF Hong Kong F5 12/23 02:00 54 Chan-Yeong Oh v Alec Adamson 7-5,6-3
ITF Hong Kong F4 12/18 02:00 25 Shao-Fan Liu v Chan-Yeong Oh 7-6,6-2
ITF Hong Kong F4 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 Min-Kyu Song 5-7,2-6
ITF Korea F4 06/20 03:40 25 Chan-Yeong Oh v Tae-Woo Lee 7-6,7-6
ITF Korea F3 06/13 02:00 25 Min-Kyu Song v Chan-Yeong Oh 7-5,5-7,6-4
ITF Korea F2 06/09 02:00 27 Daniel Nguyen v Chan-Yeong Oh 2-6,6-2,6-4
ITF Korea F2 06/08 02:40 26 Chan-Yeong Oh v Hong Chung 7-6,3-6,6-3
ITF Korea F2 06/08 02:30 - Chan-Yeong Oh v Hong Chung 7-6,3-6,5-3
ITF Korea F2 06/06 01:00 25 Jae Won Yun 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 Ju-Hae Moon v Chan-Yeong Oh 3-6,2-6
ITF Korea F1 05/31 06:40 25 Chan-Yeong Oh v Woo Hyeok Jang 6-2,4-6,6-1
Challenger - Busan 05/15 08:00 25 Chan-Yeong Oh v Sadio Doumbia 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 Hyeong Jin Cho 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 Hangyeom Kim v Chan-Yeong Oh 2-6,3-6
ITF Japan F5 04/05 02:50 26 Chan-Yeong Oh v Takuto Niki 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