| Puchar Davisa | 2021/06/17 09:30 | Petros Chrysochos v Egill Sigurdsson | 6-1,6-0 |
| Puchar Davisa | 2021/06/16 09:20 | Aleksandre Metreveli v Egill Sigurdsson | 6-0,6-3 |
| ITF - Cairo M15 | 2021/05/02 08:00 | Marco De Rosa v Egill Sigurdsson | 4-6,6-4,10-7 |
| ITF - Cairo M15 | 2021/04/25 07:30 | Luka Petrovic v Egill Sigurdsson | 6-2,6-3 |
| ITF - Cairo M15 | 2021/04/20 08:00 | Egill Sigurdsson v Shohei Chikami | 2-6,7-6,4-10 |
| ITF - Cairo M15 | 2021/04/19 08:00 | Oleg Khotkov v Egill Sigurdsson | 3-6,5-7 |
| ITF - Cairo M15 | 2021/04/18 09:30 | Jordi Garcia Mestre v Egill Sigurdsson | 4-6,2-6 |
| ITF - Cairo M15 | 2021/04/12 09:30 | Edoardo Lavagno v Egill Sigurdsson | 6-0,6-1 |
| Puchar Davisa | 2021/06/17 09:05 | Raphael Calzi v Liam Delicata | 6-3,6-4 |
| ITF - Monastir M15 | 2021/04/04 10:30 | Igor Marcondes v Raphael Calzi | 7-6,7-6 |
| ITF - Monastir M15 | 2021/03/28 10:30 | Raphael Calzi v Youcef Rihane | 6-7,4-6 |
| ITF - Saarlouis M15 | 2019/07/01 08:00 | Eduardo Dischinger v Raphael Calzi | 7-5,4-6,10-4 |
| ITF - Arlon M25 | 2019/06/24 13:20 | Victor Vlad Cornea v Raphael Calzi | 7-5,6-3 |
| ITF Germany F11 | 2018/08/05 12:00 | Raphael Calzi v Robi Tholl | 2-6,4-6 |
| ITF Germany F9 | 2018/07/22 11:00 | Tim Heger v Raphael Calzi | 6-2,6-1 |
| ITF Germany F9 | 2018/07/22 08:00 | Raphael Calzi v Leon Hoeveler | 6-3,6-4 |