Stadium: Pista 3 Round: 14 Ground: Clay
| ITF M25 Madrid | 2021/09/14 07:00 | Manish Sureshkumar v Mario G Fernandez | 6-4,6-3 |
| ITF M25 Madrid | 2021/09/13 09:00 | Manish Sureshkumar v Chanon Phunsawat | 6-4,7-5 |
| ITF M15 Allershausen | 2021/09/03 10:00 | Manish Sureshkumar v Mick Veldheer | 1-6,6-4,0-6 |
| ITF M15 Allershausen | 2021/09/02 09:00 | Manish Sureshkumar v Matthew Romios | 6-1,5-7,6-3 |
| ITF M15 Allershausen | 2021/09/01 09:00 | Manish Sureshkumar v Adrian Oetzbach | 3-6,6-4,6-4 |
| ITF M25 Trier | 2021/08/24 09:55 | Manish Sureshkumar v Marlon Vankan | 6-7,1-6 |
| ITF M15 New Delhi | 2021/04/01 06:10 | Manish Sureshkumar v Zsombor Velcz | 3-6,2-6 |
| ITF M15 New Delhi | 2021/03/31 07:50 | Manish Sureshkumar v Preston Brown | 6-3,6-3 |
| ITF M25 Jonkoping | 2021/09/22 12:10 | Jonathan Mridha v Viktor Durasovic | 4-6,2-6 |
| ITF M25 Jonkoping | 2021/09/21 09:10 | Jonathan Mridha v Simon Freund | 7-5,4-6,7-5 |
| Challenger Banja Luka | 2021/09/08 15:30 | Andrej Martin v Jonathan Mridha | 6-3,7-5 |
| Challenger Banja Luka | 2021/09/07 09:55 | Jonathan Mridha v Dominic Stephan Stricker | 6-2,6-3 |
| Challenger Banja Luka | 2021/09/06 09:00 | Elmar Ejupovic v Jonathan Mridha | 6-2,2-6,2-6 |
| Challenger Banja Luka | 2021/09/05 09:00 | Jonathan Mridha v Markus Eriksson | 6-3,6-2 |
| ITF M15 Zilina | 2021/09/02 12:15 | Adria Soriano Barrera v Jonathan Mridha | 6-7,6-4,6-3 |
| ITF M15 Zilina | 2021/09/01 08:00 | Hamid Reza Nadaf v Jonathan Mridha | 2-6,2-6 |