Stadium: Center Court Round: 45 Ground: Hardcourt indoor
| 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 Ortisei Qual | 2017/10/07 13:55 | Petro Orlando Fellin v Yann Marti | 6-7,3-6 |
| ITF Italy F25 Qual | 2017/08/06 14:00 | Nicola Vidal v Petro Orlando Fellin | 6-2,3-6,6-4 |