[60] Mackenzie McDonald 7-6,7-5 Peter Polansky [138] 2019-03-18 14:00
Stadium: Grandstand Round: 44 Ground: Hardcourt outdoor
Head to Head
| Challenger Surbiton | 2018/06/05 10:00 | Mackenzie McDonald v Peter Polansky | 6-7,7-5,6-3 |
| Challenger Charlottesville | 2016/11/04 19:25 | Mackenzie McDonald v Peter Polansky | 7-5,6-4 |
| Challenger Tiburon | 2016/09/27 21:25 | Peter Polansky v Mackenzie McDonald | 3-6,4-6 |
Home History
| ATP Indian Wells | 2019/03/10 19:10 | Daniil Medvedev v Mackenzie McDonald | 7-5,6-0 |
| ATP Indian Wells | 2019/03/09 02:00 | Mackenzie McDonald v Joao Sousa | 6-4,3-6,6-3 |
| ATP Acapulco | 2019/02/28 23:00 | Mackenzie McDonald v Cameron Norrie | 3-6,2-6 |
| ATP Acapulco | 2019/02/28 00:00 | Frances Tiafoe v Mackenzie McDonald | 7-6,5-7,3-6 |
| ATP Acapulco | 2019/02/27 03:20 | Mackenzie McDonald v Emilio Nava | 6-1,6-3 |
| ATP Delray Beach | 2019/02/24 01:00 | Mackenzie McDonald v Radu Albot | 6-3,0-6,0-6 |
| ATP Delray Beach | 2019/02/23 01:25 | Juan Martin Del Potro v Mackenzie McDonald | 4-6,6-3,6-7 |
| ATP Delray Beach | 2019/02/21 23:30 | Guillermo Garcia-Lopez v Mackenzie McDonald | 5-7,4-6 |
Away History
| Challenger Phoenix | 2019/03/14 03:25 | Nicolas Jarry v Peter Polansky | 6-1,5-7,6-4 |
| Challenger Phoenix | 2019/03/13 18:40 | Frederik Nielsen v Peter Polansky | 6-7,3-6 |
| ATP Indian Wells | 2019/03/06 00:30 | Lukas Lacko v Peter Polansky | 6-4,6-7,7-6 |
| Challenger Indian Wells | 2019/02/28 18:00 | Andrey Rublev v Peter Polansky | 6-2,7-5 |
| Challenger Indian Wells | 2019/02/26 22:10 | Christian Harrison v Peter Polansky | 4-6,6-3,6-7 |
| ATP Delray Beach | 2019/02/19 20:05 | Peter Polansky v John Isner | 3-6,6-7 |
| ATP New York | 2019/02/12 19:55 | Peter Polansky v Ryan Harrison | 3-6,4-6 |
| Challenger Newport Beach | 2019/01/23 19:55 | Kaichi Uchida v Peter Polansky | 0-6,6-3,7-6 |