Stadium: Stadium O. Gonzalez Round: 62 Ground: Hardcourt outdoor
| ITF Mexico F5 | 2017/11/16 00:10 | Farren, Connor v Hernandez Ramirez, Sergio Luis | 6-4,6-2 |
| ITF Mexico F5 | 2017/11/14 18:30 | Hernandez Ramirez, Sergio Luis v Lescure, Mick | 2-6,7-5,6-0 |
| Challenger Cali 2 Qual | 2017/10/14 21:35 | Munoz-De la Nava, Daniel v Hernandez Ramirez, Sergio Luis | 6-1,6-1 |
| Challenger Floridablanca Qual | 2017/08/05 22:40 | Hernandez Ramirez, Sergio Luis v Camilo Ugo Carabelli | 0-6,6-7 |
| Challenger Floridablanca Qual | 2017/08/05 19:20 | Rodas, Juan Pablo v Hernandez Ramirez, Sergio Luis | 6-7,1-6 |
| ITF Colombia F3 | 2017/08/01 18:00 | Hernandez Ramirez, Sergio Luis v Souto, David | 1-6,4-6 |
| ITF Colombia F2 | 2017/07/26 16:40 | Hernandez Ramirez, Sergio Luis v Juan Sebastian Gomez | 2-6,1-6 |
| ITF Colombia F2 | 2017/07/24 19:00 | Hernandez Ramirez, Sergio Luis v Perez Cortez, Alexander | 6-4,6-0 |
| ITF Mexico F5 | 2017/11/15 00:00 | Manuel Sanchez v Ramirez Utermann, Carlos | 6-2,6-2 |
| ITF Mexico F5 | 2017/11/13 19:35 | Ramirez Utermann, Carlos v Urquidi, Mario | 4-6,6-3,6-4 |
| ITF Mexico F5 | 2017/11/11 18:30 | Ramirez Utermann, Carlos v Gomez Diaz, Cesar Antonio | 4-6,6-1,6-3 |
| ITF Bolivia F3 Qual | 2017/10/01 18:30 | Naser, Javier v Ramirez Utermann, Carlos | 6-3,6-4 |
| ITF Bolivia F3 Qual | 2017/09/30 16:00 | Ramirez Utermann, Carlos v Matias Riva | 6-4,5-7,7-5 |
| ITF Bolivia F2 Qual | 2017/09/24 19:00 | Ramirez Utermann, Carlos v Nunez, V. | 2-6,3-6 |
| ITF Bolivia F2 Qual | 2017/09/23 16:00 | Lautaro Agustin Falabella v Ramirez Utermann, Carlos | 5-7,6-4,4-6 |
| ITF Bolivia F1 | 2017/09/19 15:55 | Ramirez Utermann, Carlos v Mantilla, Felipe | 2-6,3-6 |