Stadion: Court 3 Round: 25 Ground: Clay
| UTR Pro Tennis Series - Kopenhagen | 2021/06/19 08:30 | Benjamin Hannestad v Simon Yitbarek | 6-4,6-3 |
| UTR Pro Tennis Series - Kopenhagen | 2021/06/18 09:30 | Mick Lescure v Simon Yitbarek | 4-6,5-7 |
| UTR Pro Tennis Series - Kopenhagen | 2021/06/17 11:00 | David Norfeldt v Simon Yitbarek | 2-5 |
| UTR Pro Tennis Series - Kopenhagen | 2021/06/16 11:00 | Hugo Pierre v Simon Yitbarek | 6-3,1-6,7-5 |
| UTR Pro Tennis Series - Kopenhagen | 2021/06/14 11:00 | Carl Emil Overbeck v Simon Yitbarek | 6-4,5-1 |
| ITF - M15 - Helsinki | 2021/06/02 08:45 | Rimpei Kawakami v Simon Yitbarek | 6-4,6-4 |
| ITF - M15 - Antalya | 2021/05/16 07:00 | Simon Yitbarek v Edouard Villoslada | 7-5,6-7,6-10 |
| ITF - M15 - Antalya | 2021/05/10 07:00 | Adrian Mateo Bejenaru v Simon Yitbarek | 6-4,6-0 |
| ITF - M15 - Poprad | 2021/07/09 08:00 | Roman Andres Burruchaga v George Loffhagen | 6-3,6-4 |
| ITF - M15 - Poprad | 2021/07/06 10:20 | George Loffhagen v Bogdan Ionut Apostol | 6-3,6-1 |
| ITF - M25 - Bourg-en-Bresse | 2021/06/29 09:35 | George Loffhagen v Bradley Paliska | 3-6,7-5,9-11 |
| ITF - M25 - Grasse | 2021/06/16 08:00 | Valentin Royer v George Loffhagen | 4-6,6-2,6-0 |
| ITF - M25 - Grasse | 2021/06/14 13:40 | George Loffhagen v Maxence Beauge | 7-5,6-1 |
| ITF - M25 - Grasse | 2021/06/14 07:30 | George Loffhagen v Lucas Bouquet | 6-0,6-4 |
| ITF - M15 - Helsinki | 2021/06/01 08:45 | George Loffhagen v Max Westphal | 6-1,1-6,3-10 |
| ITF - M25 - Most | 2021/05/23 14:00 | George Loffhagen v Ondrej Valek | 4-6,1-6 |