Round: 28 Ground: Clay
| ITF USA F31 | 2016/10/14 17:25 | Dominik Koepfer v Nielsen, Frederik | 2-6,6-7 |
| ITF USA F31 | 2016/10/13 15:00 | Benjamin Lock v Nielsen, Frederik | 6-4,4-6,2-6 |
| ITF USA F31 | 2016/10/12 18:55 | Bisht, Ronit Singh v Nielsen, Frederik | 3-6,3-6 |
| Challenger Stockton | 2016/10/04 21:50 | Nevolo, Dennis v Nielsen, Frederik | 6-4,6-2 |
| Challenger Stockton Qual | 2016/10/03 20:10 | Nielsen, Frederik v Emilio Gomez | 7-6,6-3 |
| Challenger Tiburon Qual | 2016/09/24 20:35 | Nielsen, Frederik v Glasspool, Lloyd | 7-5,1-6,4-6 |
| Coupe Davis | 2016/09/18 07:00 | Ilya Ivashka v Nielsen, Frederik | 6-4,4-6,7-5,5-7,6-4 |
| Coupe Davis | 2016/09/16 07:00 | Shyla, Yaraslau v Nielsen, Frederik | 5-7,3-6,6-1,6-2,5-7 |
| ITF USA F31 | 2016/10/14 15:00 | Hiltzik, Aron v Smith, Connor | 7-5,7-6 |
| ITF USA F31 | 2016/10/13 17:20 | Garanganga, Takanyi v Hiltzik, Aron | 2-6,5-7 |
| Columbus, USA, Qualifications | 2016/09/17 19:05 | Dominik Koepfer v Hiltzik, Aron | 3-6,7-6,6-2 |
| ITF Canada F6 | 2016/08/29 17:30 | Filip Peliwo v Hiltzik, Aron | 6-3,3-6,6-3 |
| ITF USA F27 | 2016/08/10 14:00 | Hiltzik, Jared v Hiltzik, Aron | 6-3,0-6,7-6 |
| ITF USA F27 | 2016/08/09 14:00 | Bradley, Julian v Hiltzik, Aron | 5-7,4-6 |
| ITF USA F26 | 2016/08/02 15:00 | Hiltzik, Aron v Austin, Gonzales | 5-7,6-7 |
| ITF USA F23 | 2016/06/29 16:10 | Dominik Koepfer v Hiltzik, Aron | 6-0,6-4 |