Stadium: Court 3 Round: 46
| Challenger Puerto Vallarta | 2018/04/30 22:00 | Tigre Hank v Alejandro Gomez | 6-4,2-6,7-6 |
| Challenger Leon Qual | 2018/04/23 16:00 | Roberto Cid Subervi v Alejandro Gomez | 3-6,6-3,6-3 |
| Challenger Leon Qual | 2018/04/22 17:25 | Agustin Velotti v Alejandro Gomez | 4-6,3-6 |
| Challenger Leon Qual | 2018/04/21 21:15 | Alejandro Gomez v Lloyd Glasspool | 7-5,7-5 |
| Challenger Guadalajara Qual | 2018/04/15 20:10 | Alejandro Gomez v Emilio Gomez | 5-7,6-2,2-6 |
| Challenger Guadalajara Qual | 2018/04/14 21:35 | Carlos Gomez-Herrera v Alejandro Gomez | 7-6,6-7,2-6 |
| Challenger Mexico City Qual | 2018/04/08 16:00 | Alejandro Gomez v Gonzalo Escobar | 4-6,6-7 |
| Challenger Mexico City Qual | 2018/04/07 17:20 | Alejandro Gomez v Nicolas Mejia | 6-2,6-4 |
| Challenger Gimcheon | 2018/05/08 04:05 | Jordan Thompson v Yunseong Chung | 6-4,6-1 |
| Challenger Seoul | 2018/05/01 06:00 | Lloyd Harris v Yunseong Chung | 5-7,6-3,6-0 |
| Challenger Anning | 2018/04/26 03:00 | Yunseong Chung v Jordan Thompson | 3-6,4-6 |
| Challenger Anning | 2018/04/24 09:20 | Di Wu v Yunseong Chung | 6-7,3-6 |
| Challenger Anning Qual | 2018/04/21 05:00 | Chu-Huan Yi v Yunseong Chung | 2-6,6-7 |
| Challenger Nanchang | 2018/04/19 04:30 | Aleksandr Nedovyesov v Yunseong Chung | 6-4,6-2 |
| Challenger Nanchang | 2018/04/17 03:00 | Yunseong Chung v Tatsuma Ito | 6-4,7-6 |
| Challenger Nanchang Qual | 2018/04/15 05:25 | Mukund Sasikumar v Yunseong Chung | 2-6,4-6 |