Stadium: Court10 Round: 26 Ground: Hardcourt outdoor
| ITF USA F30 | 2018/11/07 16:45 | Hernandez Serrano, Juan Alejandro v Grinvalds, Roberts | 6-4,6-2 |
| ITF USA F28B | 2018/10/23 17:35 | Hernandez Serrano, Juan Alejandro v Yshai Oliel | 0-6,2-6 |
| ITF USA F28B | 2018/10/22 17:05 | Hernandez Serrano, Juan Alejandro v Rollins, Pierce | 6-3,6-1 |
| ITF USA F23 | 2018/08/16 14:00 | Hernandez Serrano, Juan Alejandro v Gomez, Alejandro | 6-7,3-6 |
| ITF USA F23 | 2018/08/15 14:00 | Hernandez Serrano, Juan Alejandro v Maxime Cressy | 7-6,2-6,6-3 |
| ITF USA F18 | 2018/06/28 14:00 | Andres Andrade v Hernandez Serrano, Juan Alejandro | 7-5,6-0 |
| ITF USA F18 | 2018/06/27 18:00 | Hernandez Serrano, Juan Alejandro v Callahan, Hunter | 6-2,6-2 |
| ITF Mexico F3 | 2018/05/21 17:00 | Gonzalez, Wilfredo v Hernandez Serrano, Juan Alejandro | 7-6,6-2 |
| ITF USA F30 | 2018/11/07 20:05 | Luquet, Pierre v Johnson, Trevor Allen | 5-7,6-2,1-6 |
| Challenger Las Vegas | 2018/10/20 22:05 | Johnson, Trevor Allen v Sarkissian, Alexander | 4-6,2-6 |
| ITF USA F22 | 2018/08/08 14:00 | Johnson, Trevor Allen v Boltz, Sebastien | 6-4,2-6,3-6 |
| ITF USA F19 | 2018/07/05 17:05 | Ryan Peniston v Johnson, Trevor Allen | 6-2,6-2 |
| ITF USA F19 | 2018/07/03 13:30 | Johnson, Trevor Allen v Evan Zhu | 6-2,4-6,6-3 |
| ITF USA F17 | 2018/06/29 15:00 | Johnson, Trevor Allen v Marc-Andrea Huesler | 6-3,6-7,4-6 |
| ITF USA F17 | 2018/06/28 18:00 | Scholtz, Nicolaas v Johnson, Trevor Allen | 6-7,4-6 |
| ITF USA F17 | 2018/06/27 15:00 | Gozun, Alexandru v Johnson, Trevor Allen | 6-3,6-7,4-6 |