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