Stadion: Hard 20 Round: 25 Ground: Hardcourt outdoor
| ITF - M25 - Pretoria | 2021/09/28 07:00 | Jody Alan Claassen v Ioannis Xilas | 6-3,6-2 |
| ITF - M25 - Pretoria | 2021/09/27 12:10 | Logan Stoltz v Ioannis Xilas | 2-6,7-6,7-10 |
| ITF - M25 - Pretoria | 2021/09/26 11:50 | Thio Tshivhase v Ioannis Xilas | 0-6,0-6 |
| ITF - M25 Johannesburg - Qualifikation | 2021/09/19 08:55 | Asaf Friedler v Ioannis Xilas | 6-3,6-4 |
| ITF - M15 - Ulcinj | 2021/09/01 13:40 | Ioannis Xilas v Antonio Massara | 6-3,3-6,3-6 |
| ITF - M15 - Ulcinj | 2021/08/30 11:30 | Ioannis Xilas v Matthew Dellavedova | 6-1,6-1 |
| ITF - M15 - Ulcinj | 2021/08/30 07:30 | Bozo Barun v Ioannis Xilas | 4-6,1-6 |
| ITF - M15 - Warmbad-Villach | 2021/08/18 14:40 | Franco Ribero v Ioannis Xilas | 6-2,6-7,6-1 |
| ITF - M15 - Heraklion | 2021/11/30 07:00 | Alessandro Procopio v Jimmy Yang | 1-6,6-2,6-10 |
| ITF - M15 - Parnu | 2021/10/28 10:20 | Oscar Moraing v Alessandro Procopio | 6-2,6-1 |
| ITF - M15 - Parnu | 2021/10/27 07:00 | Dawid Taczala v Alessandro Procopio | 5-7,6-3,4-6 |
| ITF - M15 - Sozopol | 2021/10/11 09:00 | Ewan Moore v Alessandro Procopio | 7-5,7-6 |
| ITF - M15 - Sozopol | 2021/10/03 08:00 | Alessandro Procopio v Nikolay Nedelchev | 4-6,4-6 |
| ITF - M15 - Ulcinj | 2021/09/13 13:00 | Gianmarco Ferrari v Alessandro Procopio | 7-6,6-3 |
| ITF - M15 - Ulcinj | 2021/09/13 08:00 | Daniel Ibragimov v Alessandro Procopio | 6-4,2-6,11-13 |
| ITF - M15 - Ulcinj | 2021/09/12 08:00 | William Ma v Alessandro Procopio | 2-6,2-6 |