Round: 62 Ground: Hardcourt outdoor
| ITF Mexico F1 | 2018/05/06 15:00 | Samuel Shropshire v Alan Magadan | 7-6,6-1 |
| ITF Mexico F1 | 2018/05/05 15:00 | Samuel Shropshire v Mario Urquidi | 6-1,6-2 |
| Challenger Sarasota Qual | 2018/04/14 21:00 | Jan Choinski v Samuel Shropshire | 7-5,3-6,6-3 |
| Challenger Sarasota Qual | 2018/04/14 16:20 | Robert Galloway v Samuel Shropshire | 2-6,2-6 |
| ITF USA F10 | 2018/04/11 18:40 | Sam Riffice v Samuel Shropshire | 6-2,6-0 |
| ITF USA F10 Qual | 2018/04/10 16:40 | Samuel Shropshire v Nevin Arimilli | 7-5,6-2 |
| ITF USA F10 Qual | 2018/04/09 15:00 | Samuel Shropshire v Bradley Holt | 6-1,6-1 |
| ITF USA F9 | 2018/04/04 15:00 | Ronnie Schneider v Samuel Shropshire | 6-3,3-6,6-4 |
| ITF Mexico F1 | 2018/05/06 15:00 | Guillermo Castaneda v Esteban Bruna | 6-3,6-2 |
| ITF Mexico F1 | 2018/05/05 15:00 | Guillermo Castaneda v Aydan Gomez Osorio | 6-2,6-1 |
| ITF Mexico F4 | 2015/05/19 19:15 | Luis David Martinez v Guillermo Castaneda | 6-3,6-2 |