Stadium: Cancha 2 Round: 46 Ground: Hardcourt outdoor
| Challenger Guadalajara Qual | 2018/04/14 20:30 | Mantilla, Felipe v Simon, Tobias | 7-5,7-6 |
| Challenger Leon Qual | 2018/04/21 16:55 | Mantilla, Felipe v Echazu, Mauricio | 6-3,7-5 |
| Challenger Guadalajara Qual | 2018/04/15 17:40 | Gonzalez, Alejandro v Mantilla, Felipe | 7-6,7-6 |
| Challenger Guadalajara Qual | 2018/04/14 20:30 | Mantilla, Felipe v Simon, Tobias | 7-5,7-6 |
| Challenger Mexico City Qual | 2018/04/08 20:00 | Mantilla, Felipe v Londero, Juan Ignacio | 4-6,3-6 |
| Challenger Mexico City Qual | 2018/04/07 21:20 | Mantilla, Felipe v Emilio Gomez | 6-7,6-0,6-3 |
| Challenger Panama City | 2018/04/03 18:35 | Mantilla, Felipe v Jan Choinski | 7-6,4-6,2-6 |
| Challenger Panama City Qual | 2018/04/01 18:10 | Londero, Juan Ignacio v Mantilla, Felipe | 5-7,6-2,7-6 |
| Challenger Panama City Qual | 2018/03/31 22:15 | Nicolas Mejia v Mantilla, Felipe | 6-2,4-6,2-6 |
| Challenger Leon Qual | 2018/04/21 17:00 | Federico Zeballos v Simon, Tobias | 4-6,6-4,3-6 |
| Challenger Guadalajara Qual | 2018/04/14 20:30 | Mantilla, Felipe v Simon, Tobias | 7-5,7-6 |
| ITF Tunisia F13 | 2018/04/04 10:30 | Clement Tabur v Simon, Tobias | View |
| ITF Portugal F6 | 2018/03/28 09:30 | Karim-Mohamed Maamoun v Simon, Tobias | 6-1,6-1 |
| ITF Portugal F6 | 2018/03/27 11:30 | Cabral, Francisco v Simon, Tobias | 6-7,4-6 |
| Qatar F3, Singles | 2018/03/14 13:30 | Simon, Tobias v Giacalone, Omar | 4-6,2-6 |
| Qatar F3, Singles | 2018/03/13 12:00 | Simon, Tobias v Khassanov, Roman | 6-3,6-4 |
| ITF Qatar F2 | 2018/03/09 12:30 | Jay Clarke v Simon, Tobias | 6-4,7-6 |