Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger Lexington | 2018/08/04 19:50 | Yunseong Chung v Stefano Napolitano | 5-7,3-6 |
| Challenger Lexington | 2018/08/02 14:00 | Jeffrey John Wolf v Yunseong Chung | 3-6,7-6,5-7 |
| Challenger Lexington | 2018/08/01 01:15 | Yunseong Chung v William Bushamuka | 6-2,6-3 |
| Challenger Binghamton | 2018/07/25 14:30 | Jay Clarke v Yunseong Chung | 6-1,7-6 |
| Challenger Gatineau | 2018/07/18 17:20 | Bradley Klahn v Yunseong Chung | 7-5,6-4 |
| Challenger Gatineau | 2018/07/17 20:55 | Yunseong Chung v Mitchell Krueger | 7-6,6-4 |
| Challenger Gatineau Qual | 2018/07/16 16:30 | Justin Boulais v Yunseong Chung | 2-6,1-6 |
| Challenger Gatineau Qual | 2018/07/15 18:50 | Alejandro Gomez v Yunseong Chung | 3-6,6-7 |
| Challenger Jinan | 2018/08/05 03:45 | Miliaan Niesten v Benjamin Lock | 6-4,6-3 |
| Challenger Chengdu Qual | 2018/07/28 05:10 | Vasko Mladenov v Benjamin Lock | 6-4,6-4 |
| ITF Chinese Taipei F2 | 2018/07/27 02:00 | Yu Hsiou Hsu v Benjamin Lock | 6-3,7-6 |
| ITF Chinese Taipei F2 | 2018/07/26 02:45 | Ray Ho v Benjamin Lock | 6-7,3-6 |
| ITF Chinese Taipei F2 | 2018/07/25 02:00 | Sumit Sarkar v Benjamin Lock | 3-6,3-6 |
| ITF France F13 | 2018/07/10 09:45 | Benjamin Lock v Hugo Pontico | 1-6,4-6 |
| ITF Portugal F10 | 2018/06/29 10:00 | Benjamin Lock v Maxime Tchoutakian | 2-6,1-6 |
| ITF Portugal F10 | 2018/06/28 10:30 | Benjamin Lock v Pedro Araujo | 6-2,6-2 |