Stadium: Center Round: 45 Ground: Hardcourt outdoor
| Challenger Ningbo | 2018/10/16 06:00 | Yecong He v Miomir Kecmanovic | 1-6,4-6 |
| ATP Shenzhen | 2018/09/23 06:00 | Ramkumar Ramanathan v Yecong He | 6-1,6-1 |
| Challenger - Shanghai | 2018/09/09 05:10 | Yecong He v Jacopo Berrettini | 3-6,6-3,3-6 |
| Challenger - Shanghai | 2018/09/08 08:25 | Bradley Mousley v Yecong He | 2-6,6-7 |
| Challenger Zhangjiagang | 2018/09/04 04:10 | Yibing Wu v Yecong He | 6-3,6-4 |
| Challenger Gwangju Qual | 2018/08/13 01:00 | Jung-Woong Na v Yecong He | 6-3,5-7,5-7 |
| Challenger Gwangju Qual | 2018/08/12 01:30 | Yecong He v Jumpei Yamasaki | 6-2,6-4 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | Yecong He v Chan-Yeong Oh | 7-6,6-0 |
| ITF Korea F5 | 2018/08/26 03:00 | Ji Sung Nam v Makoto Ochi | 6-4,6-1 |
| ITF Korea F5 | 2018/08/25 01:00 | Cheong-Eui Kim v Ji Sung Nam | 2-6,3-6 |
| ITF Korea F5 | 2018/08/24 01:15 | Ji Sung Nam v Ji Hoon Son | 6-4,6-2 |
| ITF Korea F5 | 2018/08/23 04:45 | Ji Sung Nam v Edward Bourchier | 6-2,6-2 |
| ITF Korea F5 | 2018/08/21 01:00 | Ji Sung Nam v Seong Jae Han | 6-1,6-0 |
| Challenger - Gwangju | 2018/08/19 01:55 | Maverick Banes v Ji Sung Nam | 6-3,4-6,6-4 |
| Challenger - Gwangju | 2018/08/18 02:00 | Alexander Bublik v Ji Sung Nam | 6-7,5-7 |
| Challenger - Gwangju | 2018/08/17 03:30 | Akira Santillan v Ji Sung Nam | 2-6,3-6 |