Stadium: Court 5 Round: 44 Ground: Clay
| ITF M15 Sibenik | 2021/05/16 07:30 | Lovre Erceg v Nikola Basic | 0-6,1-6 |
| ITF M15 Sibenik | 2021/04/19 07:55 | Peter Goldsteiner v Lovre Erceg | 6-1,6-0 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Lovre Erceg v Roko Horvat | 6-2,3-6,10-7 |
| ITF M25 Monastir | 2022/01/23 09:30 | George Gregoriou v Egor Tsarapkin | 3-6,2-6 |
| ITF M15 Heraklion | 2021/11/08 08:00 | Marius Ruzgas v George Gregoriou | 6-3,6-3 |
| ITF M15 Heraklion | 2021/11/01 09:00 | George Gregoriou v Timofey Stepanov | 0-6,1-6 |
| ITF M15 Doha | 2021/10/03 12:00 | Essa Qabazard v George Gregoriou | 6-0,6-1 |
| ITF M25 Pretoria | 2021/09/26 09:55 | George Gregoriou v Guelord Kayombo | 3-6,0-6 |
| ITF M25 Johannesburg Qual | 2021/09/19 08:50 | Shahar Gabay v George Gregoriou | 6-3,6-4 |
| ITF M15 Cairo | 2021/08/04 14:15 | Juan Bautista Torres v George Gregoriou | 6-2,6-0 |
| ITF M15 Cairo | 2021/07/18 09:30 | Federico Luzzo v George Gregoriou | 6-3,6-2 |