stadio: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Johannesburg | 2021/09/19 08:00 | Vaughn Hunter v Thio Tshivhase | 6-0,6-0 |
| ITF M25 Johannesburg - Qual. | 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 Warmbad-Villach | 2021/08/17 08:00 | Petr Hajek v Ioannis Xilas | 6-3,7-6 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Matteo Meneghetti v Ioannis Xilas | 4-6,1-6 |
| ITF M15 Heraklion | 2021/05/19 08:00 | Ioannis Xilas v Yshai Oliel | 3-6,0-6 |