Stadium: Centrale Round: 25 Ground: Hardcourt outdoor
| Challenger Recanati Qual | 2017/07/02 12:00 | Frigerio, Lorenzo v Nielsen, Frederik | 4-6,4-6 |
| Challenger Recanati Qual | 2017/07/01 10:15 | Jankovic, Miki v Nielsen, Frederik | 7-6,2-6,4-6 |
| ITF Portugal F9 | 2017/06/29 16:15 | Emil Ruusuvuori v Nielsen, Frederik | 6-3,4-6,6-3 |
| ITF Portugal F9 | 2017/06/27 15:20 | Hannestad, Benjamin v Nielsen, Frederik | 5-7,3-6 |
| ITF Spain F18 | 2017/06/22 18:15 | Raul Brancaccio v Nielsen, Frederik | 7-5,2-6,7-6 |
| ITF Spain F18 | 2017/06/21 20:00 | Nielsen, Frederik v King, Evan | 6-4,6-3 |
| ITF Spain F18 | 2017/06/20 18:20 | Nielsen, Frederik v Marek Gengel | 7-5,7-5 |
| ITF Spain F17 | 2017/06/15 18:45 | Nielsen, Frederik v Alberto Barroso Campos | 6-4,2-6,1-6 |
| French Open Qual | 2017/05/22 08:00 | Velotti, Agustin v Andrey Rublev | 1-6,3-6 |
| Challenger Heilbronn Qual | 2017/05/13 08:00 | Velotti, Agustin v Ojeda Lara, Ricardo | 3-6,0-6 |
| Challenger - Rome | 2017/05/08 12:45 | Stefanos Tsitsipas v Velotti, Agustin | 6-3,6-0 |
| Challenger - San Luis Potosí | 2017/04/13 17:00 | Velotti, Agustin v Martin, Andrej | 2-6,1-6 |
| Challenger - San Luis Potosí | 2017/04/11 18:00 | Lipovsek Puches, Tomas v Velotti, Agustin | 3-6,0-6 |
| Challenger Panama City | 2017/04/04 20:35 | Federico Coria v Velotti, Agustin | 6-4,6-4 |
| Challenger Quanzhou | 2017/03/20 02:05 | Velotti, Agustin v Sekiguchi, Shuichi | 6-7,4-6 |
| Challenger - Shenzhen | 2017/03/15 04:00 | Velotti, Agustin v Skugor, Franko | 0-6,1-6 |