Stadium: C Round: 25 Ground: Clay
| ITF Italy F16 | 2018/06/26 08:30 | Giorgio Ricca v Omar Giacalone | 7-6,6-3 |
| ITF Italy F15 | 2018/06/21 14:30 | Omar Giacalone v Lorenzo Bocchi | 6-4,3-6,4-6 |
| ITF Italy F15 | 2018/06/19 11:40 | Jonathan Mridha v Omar Giacalone | 4-6,6-4,2-6 |
| Challenger Caltanissetta | 2018/06/12 08:00 | Omar Giacalone v Attila Balazs | 0-6,2-6 |
| ITF Italy F12 | 2018/05/28 11:00 | Omar Giacalone v Bastian Malla | 7-5,6-7,3-6 |
| Challenger Mestre Qual | 2018/05/20 09:50 | Roberto Marcora v Omar Giacalone | 7-5,7-6 |
| Challenger Mestre Qual | 2018/05/19 12:30 | Alexei Popyrin v Omar Giacalone | 6-7,4-6 |
| Challenger Lisbon Qual | 2018/05/12 13:35 | Omar Giacalone v Jan Satral | 6-3,4-6,4-6 |
| ITF USA F18 | 2018/06/28 19:30 | Lucas Gomez v Jordi Arconada | 3-6,6-3,3-6 |
| ITF USA F18 | 2018/06/27 22:20 | Lucas Gomez v Kelsey Stevenson | 6-4,2-6,6-0 |
| ITF USA F16 | 2018/06/20 21:35 | Lucas Gomez v Andres Andrade | 4-6,5-7 |
| ITF USA F14 | 2018/06/16 17:10 | Lucas Gomez v Alex Rybakov | 3-6,2-6 |
| ITF USA F14 | 2018/06/15 16:00 | Lucas Gomez v Pavel Krainik | 7-5,4-6,7-5 |
| ITF USA F14 | 2018/06/14 17:10 | Lucas Gomez v Lucas Renard | 6-0,6-2 |
| ITF USA F14 | 2018/06/13 18:25 | Matias Franco Descotte v Lucas Gomez | 6-4,2-6,1-6 |
| ITF Mexico F3 | 2018/05/24 21:20 | Christopher Diaz-Figueroa v Lucas Gomez | 7-6,3-6,6-2 |