Round: 29 Ground: Clay
| Challenger Lisbon MD | 2018/05/18 16:15 | Arends/Shamasdin v Bednarek/Reese | 4-6,6-2,8-10 |
| Challenger Lisbon MD | 2018/05/15 17:35 | Bednarek/Reese v Broady/Clayton | 6-2,6-3 |
| Challenger Braga MD | 2018/05/09 15:10 | Bednarek/Reese v Martinez Portero/Vega Hernandez | 7-6,4-6,9-11 |
| Challenger Lisbon MD | 2018/05/18 14:00 | Draganja/Draganja v Arevalo/Reyes-Varela | 7-5,6-7,9-11 |
| Challenger Lisbon MD | 2018/05/16 12:45 | Gil/Robert v Arevalo/Reyes-Varela | 1-6,4-6 |
| Challenger Leon MD | 2018/04/27 03:30 | Arevalo/Reyes-Varela v Escobar/Sanchez | 6-2,6-7,7-10 |
| Challenger Leon MD | 2018/04/26 02:15 | Arevalo/Reyes-Varela v Gomez/Patino | 6-4,6-7,12-10 |
| Challenger Guadalajara MD | 2018/04/22 20:20 | Arevalo/Reyes-Varela v Klein/Roelofse | 7-6,7-5 |
| Challenger Guadalajara MD | 2018/04/21 23:00 | Arevalo/Reyes-Varela v Mousley/Smith | 6-4,7-5 |
| Challenger Guadalajara MD | 2018/04/20 01:55 | Arevalo/Reyes-Varela v Novikov/Ramirez | 6-7,6-4,10-4 |
| Challenger Guadalajara MD | 2018/04/18 00:50 | Arevalo/Reyes-Varela v Galdos/Maytin | 4-6,6-4,10-6 |