Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Johannesburg | 2021/09/15 08:00 | Goldsteiner, Peter v Simon, Sahar | 2-6,2-6 |
| ITF M15 Zilina | 2021/09/03 09:25 | Goldsteiner, Peter v Malla, Bastian | 0-6,1-6 |
| ITF M15 Zilina | 2021/09/02 08:00 | Goldsteiner, Peter v Lukas H Lilleengen | 6-7,6-0,6-2 |
| ITF M15 Zilina | 2021/09/01 12:25 | Gonzalo Villanueva v Goldsteiner, Peter | 4-6,3-6 |
| ITF M15 Parnu | 2021/08/05 07:00 | Goldsteiner, Peter v Roncalli, Simone | 5-7,0-6 |
| ITF M15 Parnu | 2021/08/04 07:00 | Goldsteiner, Peter v Mandma, Alexander Georg | 7-5,6-0 |
| ITF M25 Kottingbrunn | 2021/07/21 11:40 | Goldsteiner, Peter v Zsombor Piros | 4-6,1-6 |
| ITF M25 Kottingbrunn | 2021/07/20 10:40 | Goldsteiner, Peter v Vittar, Francisco | 6-3,6-1 |
| ITF M25 Johannesburg | 2021/09/12 09:20 | Dagan, Adi v van Wyk, Francois | 6-1,6-2 |
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/02 12:00 | Caripi, Vasilios v van Wyk, Francois | 6-1,5-4 |
| Potchefstroom, Singles Qualifying M-ITF-RSA-01A | 2020/03/02 07:00 | van Wyk, Francois v Lyle Zaloumis | 6-3,6-4 |