Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Ostrava | 2018/05/02 10:30 | Gianluigi Quinzi v Lorenzo Giustino | 6-3,6-2 |
| Challenger Ostrava | 2018/04/30 15:15 | Lorenzo Giustino v Patrik Rikl | 6-3,7-6 |
| ATP Barcelona Qual | 2018/04/21 11:10 | Lorenzo Giustino v Jozef Kovalik | 7-6,2-6,5-7 |
| ITF Spain F9 | 2018/04/19 13:40 | Lorenzo Giustino v Javier Barranco Cosano | 4-6,6-7 |
| ITF Spain F9 | 2018/04/17 10:25 | Lorenzo Giustino v Omar Salman | 6-1,6-1 |
| ITF Italy F7 | 2018/04/14 12:00 | Gianluca Mager v Lorenzo Giustino | 4-6,1-6 |
| ITF Italy F7 | 2018/04/13 13:30 | Lorenzo Giustino v Andrea Collarini | 2-6,6-4,7-5 |
| ITF Italy F7 | 2018/04/12 14:50 | Bruno Santanna v Lorenzo Giustino | 3-6,5-7 |
| Challenger Guadalajara Qual | 2018/04/15 16:00 | Scott Griekspoor v Jose Olivares | 6-3,7-5 |
| Challenger Guadalajara Qual | 2018/04/14 15:00 | Scott Griekspoor v Nicolas Barrientos | 6-4,7-6 |
| ITF USA F10 | 2018/04/11 15:00 | Collin Altamirano v Scott Griekspoor | 7-6,6-3 |
| ITF USA F9 | 2018/04/08 17:10 | Scott Griekspoor v Sebastian Fanselow | 6-7,6-4,7-5 |
| ITF USA F9 | 2018/04/08 15:00 | Scott Griekspoor v Henry Craig | 7-5,7-5 |
| ITF USA F9 | 2018/04/07 15:30 | Scott Griekspoor v Collin Altamirano | 7-6,6-2 |
| ITF USA F9 | 2018/04/05 15:00 | Scott Griekspoor v Sam Riffice | 6-4,7-6 |
| ITF USA F9 | 2018/04/04 18:10 | Scott Griekspoor v Leonardo Du Plooy | 6-0,6-2 |