Stadium: C Round: 46 Ground: Clay
| ITF Italy F15 | 2014/05/21 13:30 | Roberto Marcora v Omar Giacalone | 6-1,6-1 |
| Challenger Mestre Qual | 2018/05/19 12:00 | Joao Menezes v Roberto Marcora | 5-7,3-6 |
| Challenger Lisbon Qual | 2018/05/12 10:50 | Roberto Marcora v Gerard Granollers-Pujol | 5-7,6-7 |
| Challenger Rome | 2018/05/08 12:05 | Gianluigi Quinzi v Roberto Marcora | 6-4,6-4 |
| Challenger Rome Qual | 2018/05/07 08:00 | Inigo C Huegun v Roberto Marcora | 5-7,7-6,6-3 |
| Challenger Rome Qual | 2018/05/06 10:10 | Daniel Masur v Roberto Marcora | 6-1,2-6,5-7 |
| Challenger Rome Qual | 2018/05/05 12:15 | Roberto Marcora v Cristian Rodriguez | 6-2,6-4 |
| Challenger Ostrava Qual | 2018/04/30 11:20 | Roberto Marcora v Elliot Benchetrit | 4-6,4-6 |
| Challenger Ostrava Qual | 2018/04/29 14:15 | Ivan Gakhov v Roberto Marcora | 1-6,4-6 |
| 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 Turkey F16 | 2018/04/28 07:30 | Omar Giacalone v Artem Smirnov | 6-2,0-6,1-6 |
| ITF Turkey F16 | 2018/04/27 07:30 | Omar Giacalone v Riccardo Bonadio | 6-2,6-1 |
| ITF Turkey F16 | 2018/04/26 09:55 | Jules Okala v Omar Giacalone | 6-1,1-6,5-7 |
| ITF Turkey F16 | 2018/04/24 09:20 | Sebastian Prechtel v Omar Giacalone | 6-4,2-6,0-6 |
| ITF Turkey F15 | 2018/04/19 09:15 | Pascal Brunner v Omar Giacalone | 6-3,6-2 |
| ITF Turkey F15 | 2018/04/18 07:30 | Sarp Agabigun v Omar Giacalone | 5-7,1-6 |