Stadium: Court 10 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Pretoria | 2021/09/26 08:30 | Kotze, Da-Niel v Nikolai C Hensberg | 6-2,1-6,10-6 |
| ITF M25 Johannesburg Qual | 2021/09/19 08:10 | Parker, Jordan v Kotze, Da-Niel | 6-3,7-5 |
| ITF M25 Johannesburg | 2021/09/13 07:25 | Kotze, Da-Niel v Daniil Savelev | 0-6,2-6 |
| ITF M25 Johannesburg | 2021/09/12 09:20 | Makhakhe, Neo v Kotze, Da-Niel | 2-6,6-2,7-10 |
| ITF M15 Cairo | 2021/07/25 11:00 | Kotze, Da-Niel v Arias Bisso, Facundo | 0-6,0-6 |
| ITF M15 Cairo | 2021/07/18 07:30 | Thiago Cigarran v Kotze, Da-Niel | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2021/04/07 10:30 | Kotze, Da-Niel v Adam Jones | 2-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/28 07:00 | Giacomo Revelli v Kotze, Da-Niel | 6-1,6-0 |
| ITF M25 Johannesburg | 2021/09/20 07:00 | Goldsteiner, Peter v Caripi, Vasilios | 6-0,6-1 |
| 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 |