Stadium: Court 1 Round: 62 Ground: Clay
| ITF - M15 Káhira | 2021/07/18 07:30 | Kevin Portmann v Nicolas Hollender | 0-6,1-6 |
| ITF - M15 Monastir | 2021/07/12 09:00 | Alexandros Skorilas v Nicolas Hollender | 2-6,7-5,10-6 |
| ITF - M15 Monastir | 2021/07/11 10:00 | Nicolas Hollender v Matas Vasiliauskas | 6-2,6-7,11-9 |
| ITF - M15 Monastir | 2021/07/04 09:00 | Nicolas Hollender v Gabriele Bosio | 1-6,2-6 |
| ITF - M15 Córdoba | 2021/04/04 12:30 | Nicolas Hollender v Alan Postay | 0-6,2-6 |
| ITF - M15 Káhira | 2021/07/18 13:00 | Sergo Sikharulidze v Egill Sigurdsson | 4-6,6-3,8-10 |
| Davis Cup | 2021/06/19 09:35 | Egill Sigurdsson v Raphael Calzi | 4-6,0-6 |
| Davis Cup | 2021/06/17 09:30 | Petros Chrysochos v Egill Sigurdsson | 6-1,6-0 |
| Davis Cup | 2021/06/16 09:20 | Aleksandre Metreveli v Egill Sigurdsson | 6-0,6-3 |
| ITF - M15 Káhira | 2021/05/02 08:00 | Marco De Rosa v Egill Sigurdsson | 4-6,6-4,10-7 |
| ITF - M15 Káhira | 2021/04/25 07:30 | Luka Petrovic v Egill Sigurdsson | 6-2,6-3 |
| ITF - M15 Káhira | 2021/04/20 08:00 | Egill Sigurdsson v Shohei Chikami | 2-6,7-6,4-10 |
| ITF - M15 Káhira | 2021/04/19 08:00 | Oleg Khotkov v Egill Sigurdsson | 3-6,5-7 |