Stadium: Court Lisboa Round: 46 Ground: Clay
| Challenger Rio De Janeiro | 2017/11/22 16:45 | Neis, Fabricio v Oliveira, Cristian | 6-2,2-6,6-3 |
| Challenger Rio De Janeiro Qual | 2017/11/19 13:00 | Nagy, Peter v Neis, Fabricio | 6-3,6-7,6-7 |
| Challenger Santiago 2 Qual | 2017/11/11 18:00 | Dimitar Kuzmanov v Neis, Fabricio | 7-6,7-5 |
| Challenger Santiago 2 Qual | 2017/11/11 15:15 | Neis, Fabricio v Hudson, Oliver | 6-2,6-3 |
| Challenger Campinas Qual | 2017/10/01 14:50 | Jose Pereira v Neis, Fabricio | 6-3,6-4 |
| Challenger Bogota Qual | 2017/09/03 15:00 | Neis, Fabricio v Juan Sebastian Gomez | 3-6,7-5,4-6 |
| Challenger Quito Qual | 2017/08/26 16:00 | Lopez, Juan Manuel v Neis, Fabricio | 7-6,6-4 |
| Challenger Blois Qual | 2017/06/17 10:00 | Neis, Fabricio v Arneodo, Romain | 4-6,1-6 |
| Challenger Lisbon Qual | 2018/05/12 13:35 | Giacalone, Omar v Satral, Jan | 6-3,4-6,4-6 |
| Challenger Braga | 2018/05/08 13:40 | Satral, Jan v Joao Domingues | 3-6,2-6 |
| Challenger Braga Qual | 2018/05/06 10:00 | Simon Beaupain v Satral, Jan | 6-2,4-6,0-6 |
| Challenger Braga Qual | 2018/05/05 11:10 | Arends, Sander v Satral, Jan | 2-6,2-6 |
| Challenger Ostrava Qual | 2018/04/29 13:40 | Satral, Jan v Elliot Benchetrit | 2-6,3-6 |
| Challenger Ostrava Qual | 2018/04/28 13:45 | Satral, Jan v Ymer, Mikael | 7-6,6-2 |
| Challenger San Francisco | 2018/02/06 00:10 | Dominik Koepfer v Satral, Jan | 6-2,6-2 |
| Challenger Dallas | 2018/01/30 18:55 | Tommy Paul v Satral, Jan | 6-3,6-3 |