[78] Mackenzie McDonald 6-4,3-6,4-6 Tennys Sandgren [61] 2018-10-27 15:30
Stadium: Court 2 Round: 45 Ground: Hardcourt indoor
Head to Head
| Challenger Fairfield | 2017/10/13 19:50 | Mackenzie McDonald v Tennys Sandgren | 7-6,6-2 |
| Challenger Tiburon | 2017/09/30 21:25 | Mackenzie McDonald v Tennys Sandgren | 6-7,6-7 |
| 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 |