[244] Frederik Nielsen 2-6,4-6 Tennys Sandgren [102] 2017-06-17 16:00
Stadium: Center Round: 25 Ground: Hardcourt outdoor
Home History
| ITF Spain F17 | 2017/06/15 18:45 | Frederik Nielsen v Alberto Barroso Campos | 6-4,2-6,1-6 |
| ITF Spain F17 | 2017/06/13 19:40 | Frederik Nielsen v Alastair Gray | 6-2,6-4 |
| Challenger Busan Qual | 2017/05/14 03:10 | Austin Krajicek v Frederik Nielsen | 6-3,6-2 |
| Challenger Busan Qual | 2017/05/13 03:45 | Bradley Mousley v Frederik Nielsen | 4-6,3-6 |
| Challenger Seoul Qual | 2017/05/06 01:00 | Frederik Nielsen v Felix Auger Aliassime | 1-6,4-6 |
| Challenger Gimcheon Qual | 2017/04/29 05:15 | Lloyd Glasspool v Frederik Nielsen | 6-7,6-2,6-2 |
| Davis Cup | 2017/04/09 10:00 | Casper Ruud v Frederik Nielsen | 4-6,2-6,3-6 |
| Davis Cup | 2017/04/07 16:15 | Viktor Durasovic v Frederik Nielsen | 2-6,6-3,2-6,6-7 |
Away History
| Challenger Caltanissetta | 2017/06/16 14:25 | Radu Albot v Tennys Sandgren | 6-3,3-6,7-6 |
| Challenger Caltanissetta | 2017/06/14 19:40 | Simone Bolelli v Tennys Sandgren | 6-3,4-6,4-6 |
| Challenger Caltanissetta | 2017/06/13 09:00 | Vaclav Safranek v Tennys Sandgren | 2-6,6-4,2-6 |
| Challenger Prostejov | 2017/06/09 11:20 | Tennys Sandgren v Jiri Vesely | 2-6,2-6 |
| Challenger Prostejov | 2017/06/08 09:00 | Nicolas Kicker v Tennys Sandgren | 6-2,2-6,4-6 |
| Challenger Prostejov | 2017/06/07 10:30 | Kevin Krawietz v Tennys Sandgren | 2-6,1-6 |
| Challenger Prostejov | 2017/06/06 09:00 | Tennys Sandgren v Nikoloz Basilashvili | 6-2,6-4 |
| French Open | 2017/05/28 12:40 | Mikhail Kukushkin v Tennys Sandgren | 6-2,6-1,6-4 |