Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| Challenger Kaohsiung | 2018/09/16 07:45 | Yunseong Chung v Xin Gao | 7-5,6-3 |
| Challenger Kaohsiung | 2018/09/15 12:10 | Yunseong Chung v N. Vijay Sundar Prashanth | 7-5,6-2 |
| Challenger Shanghai | 2018/09/11 07:00 | Aldin Setkic v Yunseong Chung | 6-3,6-4 |
| Challenger Zhangjiagang | 2018/09/07 03:00 | Yunseong Chung v Alexander Bublik | 4-6,4-6 |
| Challenger Zhangjiagang | 2018/09/06 02:00 | Go Soeda v Yunseong Chung | 5-7,6-3,2-6 |
| Challenger Zhangjiagang | 2018/09/05 02:00 | Yunseong Chung v Roman Safiullin | 3-6,6-4,6-3 |
| Challenger Gwangju | 2018/08/14 01:00 | Yunseong Chung v Benjamin Lock | 4-6,6-4,3-6 |
| Challenger Lexington | 2018/08/04 19:50 | Yunseong Chung v Stefano Napolitano | 5-7,3-6 |
| Challenger Kaohsiung | 2018/09/16 08:25 | Tristan Lamasine v Bradley Mousley | 6-3,7-5 |
| Challenger Kaohsiung | 2018/09/15 10:35 | Jacopo Berrettini v Tristan Lamasine | 2-6,5-7 |
| Challenger Shanghai | 2018/09/13 04:55 | Tristan Lamasine v Miomir Kecmanovic | 4-6,3-6 |
| Challenger Shanghai | 2018/09/11 05:25 | Roman Safiullin v Tristan Lamasine | 7-6,6-7,3-6 |
| Challenger Shanghai | 2018/09/10 03:00 | Viktor Durasovic v Tristan Lamasine | 6-7,4-6 |
| Challenger Shanghai | 2018/09/09 04:40 | Vinayak Sharma Kaza v Tristan Lamasine | 6-7,4-6 |
| Challenger Shanghai | 2018/09/08 06:50 | Mukund Sasikumar v Tristan Lamasine | 1-6,4-6 |
| Challenger Zhangjiagang | 2018/09/05 04:20 | Hiroki Moriya v Tristan Lamasine | 7-6,6-2 |