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