Round: 26 Ground: Clay
| ITF Italy F14 | 2015/06/18 15:10 | Martniez, Mateo Nicolas v Giacalone, Omar | 4-6,3-6 |
| ITF Italy F7 | 2017/04/04 11:30 | Satral, Jan v Martniez, Mateo Nicolas | 4-6,2-6 |
| ITF Italy F7 Qual | 2017/04/02 10:30 | Martniez, Mateo Nicolas v Moncagatto, Francesco | 6-0,6-1 |
| ITF Italy F7 Qual | 2017/04/01 07:30 | Martniez, Mateo Nicolas v Casati, Andrea | 6-0,6-3 |
| Challenger - Buenos Aires - Qualif. | 2017/03/12 13:00 | Neis, Fabricio v Martniez, Mateo Nicolas | 6-1,6-4 |
| ITF Argentina F12 | 2016/11/02 23:00 | Martniez, Mateo Nicolas v Federico Coria | 3-6,2-6 |
| ITF Argentina F12 | 2016/11/01 23:00 | Bahamonde, Francisco v Martniez, Mateo Nicolas | 4-6,1-6 |
| ITF Argentina F12 | 2016/10/30 23:00 | Martniez, Mateo Nicolas v Carrizo, Martin Facundo | 6-4,7-6 |
| ITF Argentina F11 | 2016/10/25 17:30 | Lindell, Christian v Martniez, Mateo Nicolas | 6-4,6-4 |
| ITF Italy F7 | 2017/04/04 13:20 | Stefanini, Jacopo v Giacalone, Omar | 4-6,2-6 |
| Tunisia F10, Singles Qualifying | 2017/03/15 11:15 | Giacalone, Omar v Toledo Bague, Pol | 4-6,6-1,4-6 |
| ITF Tunisia F9 | 2017/03/11 09:00 | Oriol Roca Batalla v Giacalone, Omar | 6-1,6-2 |
| ITF Tunisia F9 | 2017/03/10 10:45 | Vibert, Francois Arthur v Giacalone, Omar | 2-6,0-6 |
| ITF Tunisia F9 | 2017/03/09 08:30 | Giacalone, Omar v Miljan Zekic | 6-4,6-1 |
| ITF Tunisia F9 | 2017/03/08 09:45 | Spiering, Marvin Bernardo Becker v Giacalone, Omar | 0-6,4-6 |
| ITF Tunisia F7 | 2017/02/23 08:30 | Stefano Travaglia v Giacalone, Omar | 6-1,3-6,7-6 |
| ITF Tunisia F7 | 2017/02/21 13:35 | Galoppini, Davide v Giacalone, Omar | 2-6,2-6 |