Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2021/05/18 11:00 | Lenny Hampel v Martin Krumich | 6-3,6-4 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 10:00 | Lucas Bouquet v Martin Krumich | 2-6,6-3,10-12 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 11:30 | Martin Benes v Martin Krumich | 4-6,0-6 |
| ITF M25 Prague | 2021/05/11 14:50 | Martin Krumich v Chun Hsin Tseng | 1-6,4-6 |
| Challenger Ostrava | 2021/04/26 10:40 | Sebastian Baez v Martin Krumich | 6-2,6-2 |
| ITF M15 Bratislava | 2021/03/11 11:10 | Fabian Marozsan v Martin Krumich | 7-5,6-3 |
| ITF M15 Bratislava | 2021/03/10 14:40 | Stepan Pecak v Martin Krumich | 7-6,5-7,1-6 |
| ITF M15 Bratislava | 2021/03/03 09:00 | Mikalai Haliak v Martin Krumich | 6-3,2-6,6-2 |
| Challenger Santiago | 2021/03/15 17:10 | Tomas Barrios Vera v Christian Lindell | 4-6,6-1,7-6 |
| ATP Santiago | 2021/03/06 13:00 | Juan Pablo Varillas v Christian Lindell | 4-6,7-5,7-6 |
| ATP Buenos Aires | 2021/02/27 15:30 | Thiago Seyboth Wild v Christian Lindell | 6-1,7-6 |
| ATP Cordoba | 2021/02/21 16:35 | Tomas Martin Etcheverry v Christian Lindell | 7-5,6-2 |
| Challenger Concepcion | 2021/02/16 19:15 | Hernan Casanova v Christian Lindell | 3-6,7-5,6-1 |
| Challenger Campinas | 2020/11/28 16:20 | Christian Lindell v Agustin Velotti | 5-7,3-6 |
| Challenger Sao Paulo | 2020/11/26 13:00 | Christian Lindell v Camilo Ugo Carabelli | 2-6,3-6 |
| Challenger Sao Paulo | 2020/11/24 15:00 | Christian Lindell v Joao Lucas Reis da Silva | 6-2,4-6,6-3 |