Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Johannesburg | 2021/09/19 08:40 | Goldsteiner, Peter v van Wyk, Francois | 6-0,6-2 |
| 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 Johannesburg Qual | 2021/09/19 09:00 | Josh Cronje v Caripi, Vasilios | 4-6,1-6 |
| ITF M25 Johannesburg | 2021/09/16 10:00 | Alastair Gray v Caripi, Vasilios | 6-0,6-1 |
| ITF M25 Johannesburg | 2021/09/15 12:00 | Sibanda, Ethan Denzel v Caripi, Vasilios | 4-6,6-4,0-6 |
| ITF M25 Johannesburg | 2021/09/13 13:30 | Yeshaya, Omer v Caripi, Vasilios | 1-6,6-7 |
| ITF M25 Johannesburg | 2021/09/13 08:30 | James Edley v Caripi, Vasilios | 6-4,6-7,4-10 |
| ITF M25 Johannesburg | 2021/09/12 10:40 | Lwazi Ngwenya v Caripi, Vasilios | 4-6,4-6 |
| ITF M25 Wetzlar | 2021/08/02 10:00 | Caripi, Vasilios v Lorenzo Joaquin Rodriguez | 0-6,1-6 |
| ITF - M15 Héraklion | 2021/06/06 09:00 | Caripi, Vasilios v Matteo De Vincentis | 2-6,2-6 |