Stadium: Court B Round: 44 Ground: Hardcourt outdoor
| ITF Korea F1 | 2018/06/02 02:00 | Jun Sang Park v In Kyo Jeong | 6-1,6-2 |
| ITF Korea F5 | 2018/08/18 02:00 | Hyun Bin Jin v In Kyo Jeong | 0-6,3-6 |
| ITF Korea F4 | 2018/08/12 02:00 | In Kyo Jeong v Jin Sung Han | 5-7,6-7 |
| ITF Korea F4 | 2018/08/11 01:00 | Hyun Sik Go v In Kyo Jeong | 4-6,3-6 |
| ITF Malaysia F1 Qual | 2018/07/02 05:25 | Lakshit Sood v In Kyo Jeong | 6-4,7-5 |
| ITF Malaysia F1 Qual | 2018/07/01 09:30 | In Kyo Jeong v Kittirat Kerdlaphee | 6-4,2-6,6-1 |
| ITF Malaysia F1 Qual | 2018/07/01 03:00 | In Kyo Jeong v Naufal Siddiq Kamaruzzaman | 6-0,6-4 |
| ITF Korea F3 Qual | 2018/06/16 02:00 | In Kyo Jeong v Chukang Wang | 3-6,0-6 |
| ITF Korea F2 | 2018/06/10 05:00 | Mitchell Thomas McDaniels v In Kyo Jeong | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/06 02:00 | Jun Sang Park v Sora Fukuda | 6-3,1-6,3-6 |
| ITF M15 Daegu | 2019/06/05 01:00 | Jun Sang Park v Seon Yong Han | 6-2,6-2 |
| ITF Korea F3 Qual | 2018/06/16 02:00 | Jun Sang Park v Jung Hoon Kim | 6-2,6-1 |
| ITF Korea F2 | 2018/06/13 02:20 | Jun Sang Park v Michael Zhu | 2-6,3-6 |
| ITF Korea F1 | 2018/06/04 01:00 | Dong-Hak Sin v Jun Sang Park | 6-2,6-3 |
| ITF Korea F1 | 2018/06/03 02:00 | Jun Sang Park v Yu-Seob Kim | 5-7,6-3,6-2 |
| ITF Korea F1 | 2018/06/02 02:00 | Jun Sang Park v In Kyo Jeong | 6-1,6-2 |
| Challenger Gwangju | 2017/09/19 06:40 | Jun Sang Park v Alessandro Bega | 1-6,0-6 |