Stadium: Court 6 Center Round: 26 Ground: Hardcourt indoor
| ITF M25 Skopje | 2021/10/01 13:30 | Riccardo Balzerani v Henri Squire | 2-6,4-6 |
| ITF M25 Skopje | 2021/10/01 09:30 | Gorazd Srbljak v Henri Squire | 6-1,3-6,4-6 |
| ITF M25 Skopje | 2021/09/29 07:30 | Henri Squire v Eric Vanshelboim | 6-2,6-3 |
| ITF M25 Pardubice | 2021/09/26 08:00 | Filip Misolic v Henri Squire | 7-5,6-3 |
| ITF M25 Pardubice | 2021/09/25 09:40 | Henri Squire v Alexander Weis | 6-4,6-1 |
| ITF M25 Pardubice | 2021/09/24 11:00 | Henri Squire v Pavel Nejedly | 6-1,6-3 |
| ITF M25 Pardubice | 2021/09/23 11:15 | Milos Karol v Henri Squire | 1-6,1-6 |
| ITF M25 Pardubice | 2021/09/22 10:50 | Matvey Minin v Henri Squire | 6-3,3-6,4-6 |
| Challenger Braga | 2021/09/21 09:00 | Igor Sijsling v Michael Vrbensky | 1-6,4-6 |
| Challenger Kyiv | 2021/09/06 11:35 | Matheus Pucinelli De Almeida v Michael Vrbensky | 6-3,6-2 |
| Challenger Warsaw | 2021/08/28 09:00 | Michael Vrbensky v Nino Serdarusic | 6-7,2-6 |
| Challenger Warsaw | 2021/08/26 13:05 | Michael Vrbensky v Jeroen Vanneste | 6-0,4-6,6-3 |
| Challenger Warsaw | 2021/08/25 09:35 | Vitaliy Sachko v Michael Vrbensky | 6-2,6-7,4-6 |
| Challenger Luedenscheid | 2021/08/17 11:35 | Juan Manuel Cerundolo v Michael Vrbensky | 6-4,6-2 |
| Challenger Prague | 2021/08/10 12:00 | Michael Vrbensky v Evgeny Tyurnev | 4-6,2-6 |
| Challenger Liberec | 2021/08/02 13:35 | Michael Vrbensky v Marc Polmans | 7-6,2-6,5-7 |