Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Potchefstroom | 2021/02/16 08:00 | Ulises Blanch v Peter Polansky | 7-6,6-3 |
| Challenger Nur-Sultan | 2021/02/23 10:10 | Peter Polansky v Maximilian Marterer | 3-6,4-6 |
| Challenger Potchefstroom | 2021/02/16 08:00 | Ulises Blanch v Peter Polansky | 7-6,6-3 |
| Challenger Potchefstroom | 2021/02/12 09:00 | Peter Polansky v Nick Chappell | 4-6,7-6,4-6 |
| Challenger Potchefstroom | 2021/02/10 08:00 | Peter Polansky v Tristan Lamasine | 6-4,6-4 |
| Challenger Potchefstroom | 2021/02/08 10:50 | Peter Polansky v Viktor Galovic | 6-2,3-6,7-6 |
| Australian Open | 2021/01/12 15:00 | Peter Polansky v Alexandre Muller | 0-6,1-6 |
| Australian Open | 2021/01/11 14:00 | Rudolf Molleker v Peter Polansky | 7-6,5-7,3-6 |
| Challenger Orlando | 2020/11/16 18:20 | Mitchell Krueger v Peter Polansky | 6-4,6-4 |
| Challenger Nur-Sultan | 2021/03/01 06:15 | Ulises Blanch v Alibek Kachmazov | 2-6,6-4,3-6 |
| Challenger Nur-Sultan Qual | 2021/02/28 05:20 | Ulises Blanch v Yan Bondarevskiy | 7-6,6-3 |
| Challenger Nur-Sultan | 2021/02/24 11:10 | Martin Klizan v Ulises Blanch | 6-7,6-2,7-6 |
| Challenger Nur-Sultan | 2021/02/23 07:15 | Dmitry Popko v Ulises Blanch | 4-6,6-2,6-7 |
| Challenger Potchefstroom | 2021/02/17 10:30 | Teymuraz Gabashvili v Ulises Blanch | 6-4,1-6,6-3 |
| Challenger Potchefstroom | 2021/02/16 08:00 | Ulises Blanch v Peter Polansky | 7-6,6-3 |
| Challenger Potchefstroom | 2021/02/09 14:45 | Jay Clarke v Ulises Blanch | 6-7,4-6 |
| Australian Open | 2021/01/12 09:25 | Ulises Blanch v Viktor Troicki | 5-7,3-6 |