Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| Knoxville, USA, Qualifying | 2017/11/07 15:00 | Nielsen, Frederik v Hiltzik, Aron | 6-3,6-7,6-1 |
| Knoxville, USA, Qualifying | 2017/11/06 16:40 | Pauffley, Neil v Nielsen, Frederik | 2-6,4-6 |
| Knoxville, USA, Qualifying | 2017/11/05 20:00 | Nielsen, Frederik v Craig, Henry | 5-7,6-3,6-3 |
| Challenger Charlottesville | 2017/10/31 17:45 | Fratangelo, Bjorn v Nielsen, Frederik | 7-6,7-6 |
| Charlottesville, USA, Qualifying | 2017/10/30 14:00 | Corrie, Edward v Nielsen, Frederik | 4-6,7-6,6-4 |
| Charlottesville, USA, Qualifying | 2017/10/29 15:40 | Nielsen, Frederik v Nevolo, Dennis | 7-6,6-3 |
| Charlottesville, USA, Qualifying | 2017/10/28 18:40 | Murray, Jack v Nielsen, Frederik | 3-6,6-2,3-6 |
| Challenger Las Vegas Qual | 2017/10/16 18:00 | Jan Choinski v Nielsen, Frederik | 6-4,6-2 |
| Challenger Fairfield | 2017/10/12 19:00 | Mackenzie McDonald v Darian King | 6-3,6-1 |
| Challenger Fairfield | 2017/10/10 19:40 | Dancevic, Frank v Darian King | 4-6,4-6 |
| Challenger Stockton | 2017/10/08 19:20 | Darian King v Cameron Norrie | 1-6,3-6 |
| Challenger Stockton | 2017/10/07 19:55 | Smyczek, Tim v Darian King | 1-6,4-6 |
| Challenger Stockton | 2017/10/06 17:00 | Stefan Kozlov v Darian King | 4-6,4-6 |
| Challenger Stockton | 2017/10/04 18:45 | Noah Rubin v Darian King | 6-2,1-6,2-6 |
| Challenger Stockton | 2017/10/02 19:05 | Ward, Alexander v Darian King | 5-7,6-7 |
| Challenger Tiburon | 2017/09/26 23:40 | Darian King v Mackenzie McDonald | 5-7,3-6 |