Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| Challenger Porto | 2021/07/01 10:00 | Steven Diez v Prajnesh Gunneswaran | 6-3,1-6,6-4 |
| Challenger Porto | 2021/06/29 16:10 | Mathias Bourgue v Prajnesh Gunneswaran | 2-6,6-3,1-6 |
| Wimbledon | 2021/06/22 13:30 | Arthur Fery v Prajnesh Gunneswaran | 6-1,7-6 |
| French Open | 2021/05/25 08:30 | Oscar Otte v Prajnesh Gunneswaran | 6-2,6-2 |
| ATP Geneva | 2021/05/16 08:30 | Prajnesh Gunneswaran v Mackenzie McDonald | 3-6,6-3,3-6 |
| Challenger Heilbronn | 2021/05/10 15:40 | Alessandro Giannessi v Prajnesh Gunneswaran | 7-6,6-1 |
| ATP Munich | 2021/04/24 12:15 | Prajnesh Gunneswaran v Dennis Novak | 4-6,6-3,5-7 |
| Challenger Tallahassee | 2021/04/19 17:00 | Prajnesh Gunneswaran v Pedro Sakamoto | 2-6,6-2,4-6 |
| Wimbledon | 2021/06/22 14:20 | Mohamed Safwat v Mikael Torpegaard | 7-5,3-6,7-5 |
| Challenger Nottingham Qual | 2021/06/13 14:20 | Borna Gojo v Mikael Torpegaard | 6-2,7-6 |
| French Open | 2021/05/25 15:55 | Denis Kudla v Mikael Torpegaard | 6-1,6-2 |
| Challenger Oeiras | 2021/05/17 09:30 | Mikael Torpegaard v Alex Molcan | 6-7,4-6 |
| Challenger Oeiras | 2021/05/16 10:00 | Mikael Torpegaard v Luis Faria | 1-6,6-4,6-3 |
| Challenger Heilbronn | 2021/05/09 10:00 | Mikael Torpegaard v Ergi Kirkin | 4-6,1-6 |
| Challenger Tallahassee | 2021/04/23 16:00 | Mikael Torpegaard v Facundo Mena | 1-6,6-7 |
| Challenger Tallahassee | 2021/04/21 20:00 | Pedro Sakamoto v Mikael Torpegaard | 0-6,6-3,1-6 |