Stadium: Cancha Siete Leguas Round: 54 Ground: Hardcourt outdoor
| Challenger Leon Qual | 2018/04/22 16:00 | Felipe Mantilla v Tobias Simon | 5-7,3-6 |
| Challenger Guadalajara Qual | 2018/04/14 20:30 | Felipe Mantilla v Tobias Simon | 7-5,7-6 |
| Challenger Puerto Vallarta Qual | 2018/04/29 16:00 | Tobias Simon v Ivan Endara | 6-1,6-4 |
| Challenger Puerto Vallarta Qual | 2018/04/28 16:00 | Tobias Simon v Juan Ignacio Batalla | 6-4,6-4 |
| Challenger - Leon | 2018/04/24 19:20 | Tobias Simon v Christopher Eubanks | 6-7,6-7 |
| Challenger Leon Qual | 2018/04/23 16:00 | Rubin Statham v Tobias Simon | 7-6,6-3 |
| Challenger Leon Qual | 2018/04/22 16:00 | Felipe Mantilla v Tobias Simon | 5-7,3-6 |
| Challenger Leon Qual | 2018/04/21 17:00 | Federico Zeballos v Tobias Simon | 4-6,6-4,3-6 |
| Challenger Guadalajara Qual | 2018/04/14 20:30 | Felipe Mantilla v Tobias Simon | 7-5,7-6 |
| ITF Tunisia F13 | 2018/04/04 10:30 | Clement Tabur v Tobias Simon | View |
| Challenger Puerto Vallarta Qual | 2018/04/29 17:40 | Hans Hach Verdugo v Felipe Mantilla | 6-2,1-6,5-7 |
| Challenger Puerto Vallarta Qual | 2018/04/28 21:00 | Antonio Ruiz-Rosales v Felipe Mantilla | 2-6,4-6 |
| Challenger Leon Qual | 2018/04/22 16:00 | Felipe Mantilla v Tobias Simon | 5-7,3-6 |
| Challenger Leon Qual | 2018/04/21 16:55 | Felipe Mantilla v Mauricio Echazu | 6-3,7-5 |
| Challenger Guadalajara Qual | 2018/04/15 17:40 | Alejandro Gonzalez v Felipe Mantilla | 7-6,7-6 |
| Challenger Guadalajara Qual | 2018/04/14 20:30 | Felipe Mantilla v Tobias Simon | 7-5,7-6 |
| Challenger Mexico City Qual | 2018/04/08 20:00 | Felipe Mantilla v Juan Ignacio Londero | 4-6,3-6 |
| Challenger Mexico City Qual | 2018/04/07 21:20 | Felipe Mantilla v Emilio Gomez | 6-7,6-0,6-3 |