[207] Mackenzie McDonald 1-6,2-6 Tennys Sandgren [102] 2017-08-09 21:50
Stadium: Center Round: 26 Ground: Hardcourt outdoor
Head to Head
| Challenger Savannah | 2017/05/01 23:10 | Tennys Sandgren v Mackenzie McDonald | 6-4,3-6,6-4 |
| Challenger Leon | 2017/03/29 20:45 | Tennys Sandgren v Mackenzie McDonald | 2-6,7-6,6-3 |
| Challenger Cary | 2016/09/13 16:00 | Tennys Sandgren v Mackenzie McDonald | 6-4,6-3 |
Home History
| Challenger Aptos | 2017/08/08 23:40 | Mackenzie McDonald v John Millman | 6-7,6-4,6-0 |
| Challenger Granby | 2017/07/28 23:50 | Mackenzie McDonald v Denis Shapovalov | 3-6,6-4,3-6 |
| Challenger Granby | 2017/07/27 21:30 | Mackenzie McDonald v Samuel Monette | 6-1,6-1 |
| Challenger Granby | 2017/07/25 20:15 | Jason Jung v Mackenzie McDonald | 2-6,2-6 |
| Wimbledon Qual | 2017/06/28 12:05 | John-Patrick Smith v Mackenzie McDonald | 6-4,6-7,6-3 |
| Wimbledon Qual | 2017/06/26 10:00 | Mackenzie McDonald v Daniel Cox | 7-5,6-1 |
| Challenger Ilkley Qual | 2017/06/19 11:20 | Dennis Novikov v Mackenzie McDonald | 6-3,6-4 |
| Challenger Ilkley Qual | 2017/06/18 14:20 | Mackenzie McDonald v Hiroki Moriya | 6-2,6-3 |
Away History
| Challenger Aptos | 2017/08/08 18:00 | Frederik Nielsen v Tennys Sandgren | 2-6,4-6 |
| ATP Washington | 2017/08/04 04:20 | Alexander Zverev v Tennys Sandgren | 7-5,7-5 |
| ATP Washington | 2017/08/02 02:40 | Go Soeda v Tennys Sandgren | 6-7,3-6 |
| ATP Newport | 2017/07/18 16:30 | Frank Dancevic v Tennys Sandgren | 6-7,6-3,6-2 |
| Challenger Winnetka | 2017/07/14 01:20 | Tennys Sandgren v Matthias Bachinger | 5-7,4-6 |
| Challenger Winnetka | 2017/07/12 18:20 | Tennys Sandgren v Omar Jasika | 6-2,6-1 |
| Challenger Winnetka | 2017/07/11 01:35 | Tennys Sandgren v Austin Krajicek | 7-6,7-5 |
| Wimbledon Qual | 2017/06/28 16:10 | Tennys Sandgren v Vincent Millot | 2-6,6-7 |