Round: 25 Ground: Clay
| ITF Italy F21 | 2017/07/12 11:30 | Giacalone, Omar v Leonardi, Filippo | 6-7,0-6 |
| ITF Italy F21 | 2017/07/11 13:15 | Dima, Dragos v Giacalone, Omar | 4-6,3-6 |
| ITF Italy F20 | 2017/07/05 11:10 | Giacalone, Omar v Leonardi, Filippo | 7-5,2-6,3-6 |
| ITF Italy F20 | 2017/07/04 08:00 | Giacalone, Omar v Marson, Guido | 6-3,6-2 |
| Challenger Milan Qual | 2017/06/24 08:30 | Pospisil, Jaroslav v Giacalone, Omar | 6-2,6-1 |
| Challenger Todi Qual | 2017/06/17 13:35 | Haider-Maurer, Andreas v Giacalone, Omar | 6-3,6-4 |
| Tunisia F22, Singles Qualifying | 2017/06/07 09:30 | Manuel Guinard v Giacalone, Omar | 7-5,6-7,6-1 |
| Challenger - Francavilla | 2017/04/25 11:30 | Ramirez Hidalgo, Ruben v Giacalone, Omar | 3-6,7-6,6-3 |
| ITF Italy F18 Qual | 2017/06/18 10:30 | Frinzi, Mattia v Alessandro Cortegiani | 6-4,6-2 |
| ITF Italy F2 Qual | 2017/02/25 13:00 | Frinzi, Mattia v Haerteis, Johannes | 2-6,5-7 |
| ITF Italy F32 Qual | 2016/10/01 10:00 | Rizzuti, Giovanni v Frinzi, Mattia | 6-7,6-3,6-3 |
| ITF Italy F31 | 2016/09/27 07:30 | Frinzi, Mattia v Enrico Dalla Valle | 3-6,4-6 |
| ITF Italy F30 | 2016/09/17 07:30 | Frinzi, Mattia v Fellin, Manfred | 3-6,6-3,3-6 |