Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2020/02/25 08:00 | Simon, Sahar v Ioannis Xilas | 6-4,6-0 |
| ITF M25 Pretoria | 2021/09/28 07:00 | Claassen, Jody Alan 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 Qual | 2021/09/19 08:55 | Friedler, Asaf 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 | Barun, Bozo 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 M25 Pretoria | 2021/09/28 07:00 | Koenig, Luc v Simon, Sahar | 1-6,2-6 |
| ITF M25 Pretoria | 2021/09/27 10:45 | Kayombo, Guelord v Simon, Sahar | 1-6,0-6 |
| ITF M25 Pretoria | 2021/09/26 10:20 | Gabay, Shahar v Simon, Sahar | 0-6,2-6 |
| ITF M25 Johannesburg | 2021/09/22 08:40 | Simon, Sahar v Benjamin Lock | 4-6,3-6 |
| ITF M25 Johannesburg | 2021/09/21 07:00 | Kiyamov, Timur v Simon, Sahar | 6-2,4-6,6-10 |
| ITF M25 Johannesburg | 2021/09/20 08:15 | Tadija Radovanovic v Simon, Sahar | 2-6,2-6 |
| ITF M25 Johannesburg Qual | 2021/09/19 07:00 | Jacob Pieter Lubbe v Simon, Sahar | 1-6,0-6 |
| ITF M25 Johannesburg | 2021/09/18 09:40 | Beale, Jeremy v Simon, Sahar | 6-4,6-4 |