Stadium: Stadium Round: 62 Ground: Hardcourt outdoor
| 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 USA F9 Qual | 2018/04/02 17:05 | Francesco Ferrari v Samuel Shropshire | 3-6,7-6,2-6 |
| ITF USA F9 Qual | 2018/04/01 18:00 | Matthew Kandath v Samuel Shropshire | 1-6,2-6 |
| Challenger Puerto Vallarta Qual | 2018/04/28 18:05 | Viktor Durasovic v Mario Urquidi | 6-1,6-2 |
| ITF USA F10 Qual | 2018/04/08 17:30 | Mario Urquidi v Tao Mu | 3-6,5-7 |
| ITF USA F9 Qual | 2018/03/31 17:30 | Alexander Ritschard v Mario Urquidi | 6-1,6-1 |
| ITF Mexico F8 | 2017/12/04 16:00 | Jose Antonio Rodriguez Rodriguez v Mario Urquidi | 6-1,6-4 |
| ITF Mexico F8 | 2017/12/03 17:00 | Nicholas Shamma v Mario Urquidi | 7-6,6-7,2-6 |
| ITF Mexico F8 | 2017/12/02 17:00 | Mario Urquidi v Ivar Jose Aramburu Contreras | 1-6,6-3,6-4 |
| ITF Mexico F7 | 2017/11/26 16:00 | Nicholas Reyes v Mario Urquidi | 6-3,7-5 |
| ITF Mexico F7 | 2017/11/25 19:30 | Tetsuro Habusawa v Mario Urquidi | 6-4,3-6,4-6 |