Round: 44 Ground: Clay
| ITF Italy F28 Qual | 2017/09/02 16:45 | Summaria, Corrado v Crocetti, Gianmarco | 6-1,6-2 |
| ITF Romania F11 Qual | 2017/08/20 10:30 | Crocetti, Gianmarco v Cozma, Daniel | 6-7,4-6 |
| ITF Romania F11 Qual | 2017/08/19 06:00 | Filip Duda v Crocetti, Gianmarco | 6-4,0-6,4-6 |
| ITF Italy F14 | 2017/05/23 08:30 | Crocetti, Gianmarco v Balzerani, Riccardo | 1-6,1-6 |
| ITF Italy F14 Qual | 2017/05/22 09:50 | Bessire, Francesco v Crocetti, Gianmarco | 6-7,2-6 |
| ITF Italy F14 Qual | 2017/05/21 12:40 | Crocetti, Gianmarco v Sanson, Maximilien | 2-6,6-1,6-2 |
| ITF Italy F7 Qual | 2017/04/01 07:30 | Crocetti, Gianmarco v Moncagatto, Francesco | 6-7,7-6,5-7 |
| ITF Italy F37 | 2016/11/07 08:00 | Crocetti, Gianmarco v Longo, Michele | 3-6,2-6 |
| ITF Italy F30 | 2017/09/16 14:00 | Sudzum, Marcel Marlon v Adamson, Alec | 2-6,4-6 |
| ITF Italy F29 | 2017/09/09 13:00 | Sudzum, Marcel Marlon v Filippo Giovannini | 3-6,2-6 |
| ITF Belgium F11 | 2017/08/26 10:30 | Guenther, Valentin v Sudzum, Marcel Marlon | 6-2,6-2 |
| ITF Germany F8 Qual | 2017/07/16 08:00 | Schwencke Lindqvist, Thomas v Sudzum, Marcel Marlon | 6-4,6-2 |
| ITF Germany F7 | 2017/07/09 08:00 | Alexey Vatutin v Sudzum, Marcel Marlon | 6-0,6-1 |
| ITF Netherlands F2 Qual | 2017/06/24 09:00 | Sudzum, Marcel Marlon v van Buuren, Ilco | 2-6,1-6 |
| ITF Netherlands F1 Qual | 2017/06/18 08:00 | de Goeijen, Bobby v Sudzum, Marcel Marlon | 6-3,7-6 |
| ITF Czech Republic F3 Qual | 2017/05/27 08:00 | Sudzum, Marcel Marlon v Alcalde, Juan Ignacio | 3-6,1-6 |