[196] Mackenzie McDonald 6-7,6-7 Tennys Sandgren [104] 2017-09-30 21:25
Stadium: Center Court Round: 28 Ground: Hardcourt outdoor
Head to Head
| Challenger Aptos | 2017/08/09 21:50 | Mackenzie McDonald v Tennys Sandgren | 1-6,2-6 |
| 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 Tiburon | 2017/09/29 18:00 | Mackenzie McDonald v Alejandro Gonzalez | 6-4,3-6,6-1 |
| Challenger Tiburon | 2017/09/28 22:00 | Mackenzie McDonald v Denis Kudla | 7-6,6-2 |
| Challenger Tiburon | 2017/09/26 23:40 | Darian King v Mackenzie McDonald | 5-7,3-6 |
| Challenger Columbus | 2017/09/19 16:25 | Alexander Ward v Mackenzie McDonald | 6-2,6-2 |
| Challenger Cary | 2017/09/15 23:20 | Mackenzie McDonald v Cameron Norrie | 1-6,3-6 |
| Challenger Cary | 2017/09/14 17:40 | Mackenzie McDonald v Christian Harrison | 6-3,7-5 |
| Challenger Cary | 2017/09/13 16:00 | Mackenzie McDonald v Alexander Ward | 6-3,6-2 |
| US Open Qual | 2017/08/24 19:35 | Mackenzie McDonald v Jan Satral | 4-6,3-6 |
Away History
| Challenger Tiburon | 2017/09/29 23:55 | Christian Harrison v Tennys Sandgren | 1-6,2-6 |
| Challenger Tiburon | 2017/09/28 19:55 | Brayden Schnur v Tennys Sandgren | 1-6,6-7 |
| Challenger Tiburon | 2017/09/27 00:00 | Sekou Bangoura v Tennys Sandgren | 4-6,4-6 |
| Challenger Cary | 2017/09/14 19:15 | Cameron Norrie v Tennys Sandgren | 6-3,2-6,6-2 |
| Challenger Cary | 2017/09/11 16:00 | Ante Pavic v Tennys Sandgren | 4-6,4-6 |
| US Open | 2017/08/28 16:35 | Tennys Sandgren v Marin Cilic | 4-6,3-6,6-3,3-6 |
| Challenger Vancouver | 2017/08/17 19:50 | Taylor Fritz v Tennys Sandgren | 6-2,6-2 |
| Challenger Vancouver | 2017/08/15 18:00 | Duckhee Lee v Tennys Sandgren | 5-7,6-7 |