Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Doha | 2021/10/07 12:30 | Patrik Niklas-Salminen v Tao Mu | 6-4,2-6,3-6 |
| ITF - M15 Doha | 2021/10/06 12:30 | Patrik Niklas-Salminen v Muthu A Senthilkumar | 6-2,7-6 |
| ITF - M25 Falun | 2021/09/28 14:30 | Otto Virtanen v Patrik Niklas-Salminen | 6-1,7-6 |
| ITF - M25 Jonkoping | 2021/09/21 07:30 | Daniel Little v Patrik Niklas-Salminen | 6-4,7-6 |
| Davis Cup | 2021/09/18 12:55 | Patrik Niklas-Salminen v Prajnesh Gunneswaran | 3-6,5-7 |
| Challenger - Varšava | 2021/08/22 09:00 | Christopher Heyman v Patrik Niklas-Salminen | 6-1,6-3 |
| ITF - M15 Bratislava | 2021/08/17 13:40 | Matvey Minin v Patrik Niklas-Salminen | 6-1,7-6 |
| ITF - M15 Gdynia | 2021/08/10 14:10 | Alexis Musialek v Patrik Niklas-Salminen | 6-4,6-3 |
| ITF - M25 Pretoria | 2021/09/29 10:35 | Jeremy Beale v Julian Cash | 6-4,6-2 |
| ITF - M25 Johannesburg | 2021/09/22 08:30 | Julian Cash v Alastair Gray | 3-6,3-6 |
| ITF - M25 Johannesburg | 2021/09/21 07:00 | Julian Cash v Asaf Friedler | 6-0,6-3 |
| ITF - M25 Johannesburg | 2021/09/20 08:20 | Julian Cash v Omer Yeshaya | 6-2,6-0 |
| ITF - M25 Johannesburg - kval. | 2021/09/19 07:00 | Julian Cash v Lwazi Ngwenya | 6-3,6-1 |
| ITF - M25 Johannesburg | 2021/09/15 07:55 | Julian Cash v Alec Beckley | 4-6,6-7 |
| UK Pro League | 2021/08/29 10:00 | Julian Cash v Henry Patten | 6-4,6-4 |
| UK Pro League | 2021/08/28 10:00 | Julian Cash v Billy Harris | 4-6,7-6,2-10 |