[104] Andrej Martin 3-6,2-6 Mackenzie McDonald [120] 2021-04-25 09:00
Stadium: Court 1 Round: 19 Ground: Clay
Home History
| ATP Munich | 2021/04/24 09:00 | Andrej Martin v Jurij Rodionov | 6-1,6-1 |
| Challenger Belgrade | 2021/04/12 11:45 | Andrej Martin v Marco Trungelliti | 7-5,3-6,4-6 |
| Challenger Belgrade | 2021/04/11 13:00 | Andrej Martin v Marko Tepavac | 1-6,7-6,7-5 |
| ATP Cagliari | 2021/04/07 16:15 | Andrej Martin v Taylor Fritz | 2-6,6-7 |
| ATP Cagliari | 2021/04/06 15:25 | Andrej Martin v Jiri Vesely | 6-4,2-6,6-1 |
| Challenger Santiago | 2021/03/18 14:00 | Juan Pablo Varillas v Andrej Martin | 6-4,6-7,6-4 |
| Challenger Santiago | 2021/03/17 14:00 | Goncalo Oliveira v Andrej Martin | 6-7,5-7 |
| ATP Santiago | 2021/03/10 19:10 | Federico Delbonis v Andrej Martin | 6-0,6-3 |
Away History
| ATP Munich | 2021/04/24 09:00 | Peter Gojowczyk v Mackenzie McDonald | 1-6,2-6 |
| Challenger Orlando | 2021/04/13 14:00 | Christian Harrison v Mackenzie McDonald | 7-5,6-3 |
| ATP Miami | 2021/03/27 01:05 | Mackenzie McDonald v John Isner | 6-2,3-6,5-7 |
| ATP Miami | 2021/03/24 21:30 | Vasek Pospisil v Mackenzie McDonald | 3-6,6-4,3-6 |
| ATP Miami | 2021/03/23 15:45 | Mackenzie McDonald v Ivo Karlovic | 7-6,6-4 |
| ATP Miami | 2021/03/22 16:25 | Mackenzie McDonald v Roberto Cid Subervi | 6-1,6-1 |
| ATP Marseille | 2021/03/10 15:10 | Karen Khachanov v Mackenzie McDonald | 7-6,6-4 |
| ATP Marseille | 2021/03/09 12:30 | Stefano Travaglia v Mackenzie McDonald | 6-7,6-7 |