Stadium: Centre Court Round: 25
| ITF Bolivia F3 | 2018/09/27 16:00 | Federico Zeballos v Hernandez Ramirez, Sergio Luis | 7-6,6-1 |
| ITF Bolivia F3 | 2018/09/25 14:00 | Leonardo Aboian v Hernandez Ramirez, Sergio Luis | 3-6,3-6 |
| ITF Bolivia F2 | 2018/09/17 19:30 | Hernandez Ramirez, Sergio Luis v Capalbo, Franco | 1-6,7-6,5-7 |
| ITF Bolivia F1 | 2018/09/11 19:30 | Hernandez Ramirez, Sergio Luis v Jose Pereira | 3-6,6-2,4-6 |
| ITF USA F23 Qual | 2018/08/12 14:00 | Hernandez Ramirez, Sergio Luis v Drew Van Orderlain | 1-6,5-7 |
| ITF USA F22 Qual | 2018/08/04 13:30 | Marquez, Joaquin v Hernandez Ramirez, Sergio Luis | 1-6,3-6 |
| ITF Ecuador F1 | 2018/07/25 19:30 | Facundo Juarez v Hernandez Ramirez, Sergio Luis | 2-6,6-4,7-6 |
| ITF Ecuador F1 | 2018/07/24 17:20 | Mendoza, Alejandro v Hernandez Ramirez, Sergio Luis | 2-6,2-6 |
| ITF Portugal F22 | 2018/10/23 14:20 | Tikhomirov, Maksim v Gijs Brouwer | 2-6,1-6 |
| ITF Portugal F21 | 2018/10/17 10:40 | Tikhomirov, Maksim v Semmler, Miguel | 4-6,3-6 |
| ITF Portugal F21 | 2018/10/16 14:00 | Goncalo Falcao v Tikhomirov, Maksim | 1-6,3-6 |
| ITF Portugal F20 | 2018/10/13 08:30 | Tikhomirov, Maksim v Goldsteiner, Peter | 3-6,6-3,5-7 |
| ITF Portugal F20 | 2018/10/12 10:00 | Tikhomirov, Maksim v Franco Emanuel Egea | 5-7,6-4,6-3 |
| ITF Portugal F20 | 2018/10/11 17:00 | Tikhomirov, Maksim v Pedro Araujo | 6-4,6-1 |
| ITF Portugal F20 | 2018/10/10 13:15 | Tikhomirov, Maksim v Ferreira, Goncalo | 6-0,6-4 |
| ITF Portugal F18 | 2018/09/26 09:00 | Gleb Sakharov v Tikhomirov, Maksim | 6-3,6-3 |