Stadium: Court 21 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/10/13 09:00 | Adam Jurajda v Peter Goldsteiner | 6-1,7-5 |
| ITF M15 Sozopol | 2021/10/05 10:00 | Peter Goldsteiner v Adam Jurajda | 6-7,6-7 |
| ITF M25 Pretoria | 2021/09/29 10:45 | Khololwam Montsi v Peter Goldsteiner | 6-4,6-3 |
| ITF M25 Johannesburg | 2021/09/22 10:05 | Peter Goldsteiner v Kyle Seelig | 0-6,6-2,2-6 |
| ITF M25 Johannesburg | 2021/09/21 07:00 | Peter Goldsteiner v Robbie Arends | 6-1,6-1 |
| ITF M25 Johannesburg | 2021/09/20 07:00 | Peter Goldsteiner v Vasilios Caripi | 6-0,6-1 |
| ITF M25 Johannesburg | 2021/09/19 08:40 | Peter Goldsteiner v Francois Van Wyk | 6-0,6-2 |
| ITF M25 Johannesburg | 2021/09/15 08:00 | Peter Goldsteiner v Sahar Simon | 2-6,2-6 |
| ITF M15 Heraklion | 2021/11/02 07:00 | Jonathan Backman v Ioannis Kountourakis | 6-1,6-7,7-10 |
| ITF M15 Heraklion | 2021/11/01 11:00 | Michel-Alexandre Fortin v Jonathan Backman | 4-6,4-6 |
| ITF M25 Falun | 2021/09/26 11:00 | Christian Sigsgaard v Jonathan Backman | 6-1,6-4 |
| ITF M25 Jonkoping | 2021/09/20 09:10 | Robin Thour v Jonathan Backman | 6-4,4-6,10-6 |
| ITF M25 Jonkoping | 2021/09/19 08:00 | Jonathan Backman v Caspar Schuetze | 7-6,6-0 |