Stadium: Court 21 Round: 25 Ground: Hardcourt outdoor
| ITF M25 - Hamburg | 2021/10/20 08:00 | Kai Wehnelt v Markus Eriksson | 6-4,7-5 |
| ITF M25 - Falun | 2021/09/28 14:30 | Antoine Escoffier v Markus Eriksson | 6-1,7-5 |
| ITF M25 - Jönköping | 2021/09/20 11:05 | Valentin Royer v Markus Eriksson | 6-7,6-4,7-6 |
| Challenger Banja Luka | 2021/09/05 09:00 | Jonathan Mridha v Markus Eriksson | 6-3,6-2 |
| ITF M25 - Poznan | 2021/08/25 13:10 | Roman Andres Burruchaga v Markus Eriksson | 6-2,6-1 |
| ITF M15 - Lodz | 2021/08/19 07:55 | Wojciech Marek v Markus Eriksson | 6-4,7-5 |
| ITF M15 - Lodz | 2021/08/17 08:00 | Karlis Ozolins v Markus Eriksson | 6-7,6-1,2-6 |
| ITF M15 - Gdynia | 2021/08/11 08:00 | Daniel De Jonge v Markus Eriksson | 6-4,6-1 |
| ITF M25 - Portimao | 2021/10/26 10:55 | David Quayle v William Ma | 6-3,6-2 |
| ITF M25 - Portimao | 2021/10/25 09:00 | Filipe Paredes v William Ma | 2-6,1-6 |
| ITF M25 - Quinta Do Lago | 2021/10/19 10:30 | Hillel Rousseau v William Ma | 3-6,6-3,10-2 |
| ITF M25 - Quinta Do Lago | 2021/10/18 09:00 | Adria V. Ferrer v William Ma | 1-6,1-6 |
| ITF M25 - Quinta Do Lago | 2021/10/17 13:30 | Pedro D L R Bueno v William Ma | 1-6,3-6 |
| ITF M25 - Skopje | 2021/09/29 08:15 | Lorenzo Bocchi v William Ma | 6-2,6-0 |
| ITF M25 - Skopje | 2021/09/28 07:30 | Aristotelis Thanos v William Ma | 6-4,6-1 |
| ITF M25 - Skopje | 2021/09/27 09:45 | Ognjen Pavlovic v William Ma | 4-6,2-6 |