Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Pretoria | 2021/09/26 12:10 | Logan Stoltz v Christiaan Bell | 5-7,6-0,10-8 |
| ITF M25 Johannesburg | 2021/09/20 08:20 | Logan Stoltz v Asaf Friedler | 4-6,2-6 |
| ITF M25 Johannesburg Qual | 2021/09/19 07:00 | Logan Stoltz v Luke Carey | 6-4,1-6,10-6 |
| ITF M25 Johannesburg | 2021/09/12 10:35 | Preston Brown v Logan Stoltz | 6-1,6-1 |
| ITF M25 Pretoria | 2021/09/26 11:50 | Thio Tshivhase v Ioannis Xilas | 0-6,0-6 |
| 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 |