Stadium: Center Court Round: 26 Ground: Clay
| Challenger Samarkand | 2018/05/15 08:00 | Daniel Munoz-De La Nava v Andrea Basso | 6-2,6-1 |
| Challenger Karshi | 2018/05/08 05:00 | Aleksandr Nedovyesov v Andrea Basso | 7-6,7-5 |
| Challenger Mexico City | 2018/04/13 21:00 | Andrea Basso v Roberto Quiroz | 5-7,6-7 |
| Challenger Mexico City | 2018/04/11 22:20 | Jay Clarke v Andrea Basso | 4-6,4-6 |
| Challenger Mexico City | 2018/04/10 18:20 | Andrea Basso v Daniel Munoz-De La Nava | 6-7,6-4,6-1 |
| Challenger Mexico City Qual | 2018/04/09 19:00 | Federico Coria v Andrea Basso | 4-6,4-6 |
| Challenger Mexico City Qual | 2018/04/08 16:00 | Matias Zukas v Andrea Basso | 6-4,4-6,4-6 |
| Challenger Mexico City Qual | 2018/04/07 16:00 | Pedro Sakamoto v Andrea Basso | 6-4,6-7,3-6 |
| Challenger Heilbronn | 2018/05/15 12:30 | Casper Ruud v Dustin Brown | 6-7,6-4,3-6 |
| ATP Munich Qual | 2018/04/29 09:30 | Dennis Novak v Dustin Brown | 3-6,7-6,6-7 |
| ATP Munich Qual | 2018/04/28 12:10 | Kevin Krawietz v Dustin Brown | 3-6,6-3,6-7 |
| ATP Barcelona Qual | 2018/04/22 13:20 | Ricardo Ojeda Lara v Dustin Brown | 4-6,6-4,6-2 |
| ATP Barcelona Qual | 2018/04/21 12:10 | Gerard Granollers-Pujol v Dustin Brown | 5-7,2-6 |
| ATP Houston | 2018/04/09 20:00 | Dustin Brown v Henri Laaksonen | 4-6,3-6 |
| Challenger Marbella | 2018/03/26 10:35 | Dustin Brown v Enrique Lopez-Perez | 4-6,2-6 |
| Challenger Quimper | 2018/01/31 19:35 | Dustin Brown v Maxime Janvier | 3-6,7-6,2-6 |