Ground: Hardcourt indoor
| ITF M15 Heraklion | 2021/05/25 08:00 | Mark Whitehouse v Petros Chrysochos | 5-7,4-6 |
| ITF M15 Heraklion | 2021/05/22 06:30 | Ryan Peniston v Petros Chrysochos | 6-4,5-7,6-4 |
| ITF M15 Heraklion | 2021/05/21 06:30 | Dusty H. Boyer v Petros Chrysochos | 1-6,3-6 |
| ITF M15 Heraklion | 2021/05/20 09:25 | Alexis Musialek v Petros Chrysochos | 3-6,6-3,2-6 |
| ITF M15 Heraklion | 2021/05/19 11:50 | Jason Janis v Petros Chrysochos | 2-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/04/04 07:30 | Mattia Bellucci v Petros Chrysochos | 0-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/04/03 07:30 | Petros Chrysochos v Alessandro Bega | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2021/04/02 09:40 | Aldin Setkic v Petros Chrysochos | 3-6,1-6 |
| Davis Cup | 2021/06/16 09:20 | Aleksandre Metreveli v Egill Sigurdsson | 6-0,6-3 |
| ITF M15 Cairo | 2021/05/02 08:00 | Marco De Rosa v Egill Sigurdsson | 4-6,6-4,10-7 |
| ITF M15 Cairo | 2021/04/25 07:30 | Luka Petrovic v Egill Sigurdsson | 6-2,6-3 |
| ITF M15 Cairo | 2021/04/20 08:00 | Egill Sigurdsson v Shohei Chikami | 2-6,7-6,4-10 |
| ITF M15 Cairo | 2021/04/19 08:00 | Oleg Khotkov v Egill Sigurdsson | 3-6,5-7 |
| ITF M15 Cairo | 2021/04/18 09:30 | Jordi Garcia Mestre v Egill Sigurdsson | 4-6,2-6 |
| ITF M15 Cairo | 2021/04/12 09:30 | Edoardo Lavagno v Egill Sigurdsson | 6-0,6-1 |
| ITF M15 Cairo | 2021/04/11 08:00 | Ashraf El Sayed v Egill Sigurdsson | 6-7,6-2,4-10 |