Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF - M25 Johannesburg | 2021/09/14 11:30 | Joshua Howard-Tripp v Khololwam Montsi | 4-6,2-6 |
| ITF - M15 Monastir | 2021/08/05 08:50 | Mattia Bellucci v Khololwam Montsi | 6-2,6-2 |
| ITF - M15 Monastir | 2021/08/04 16:45 | Khololwam Montsi v Santiago Rodriguez Taverna | 7-5,7-5 |
| ITF - M15 Monastir | 2021/07/31 07:30 | Luca Potenza v Khololwam Montsi | 7-5,6-1 |
| ITF - M15 Monastir | 2021/07/30 07:25 | Khololwam Montsi v Matias Franco Descotte | 7-6,6-1 |
| ITF - M15 Monastir | 2021/07/29 09:50 | Khololwam Montsi v Joshua Sheehy | 7-5,6-4 |
| ITF - M15 Monastir | 2021/07/20 10:25 | Erik Crepaldi v Khololwam Montsi | 6-4,6-0 |
| ITF - M15 Champaign | 2021/06/25 17:00 | Gabriel Diallo v Khololwam Montsi | 7-5,6-3 |
| ITF - M25 Johannesburg | 2021/09/15 09:30 | Leonid Sheyngezikht v Benjamin Lock | 2-6,6-4,6-7 |
| ITF - M25 Bagneres-De-Bigorre | 2021/09/03 12:20 | Kenny de Schepper v Benjamin Lock | 6-3,7-5 |
| ITF - M25 Bagneres-De-Bigorre | 2021/09/02 12:10 | Mikail Alimli v Benjamin Lock | 4-6,4-6 |
| ITF - M25 Bagneres-De-Bigorre | 2021/09/01 14:00 | Pierre Delage v Benjamin Lock | 7-5,4-6,4-6 |
| Challenger - Praha | 2021/08/22 09:30 | Oriol Roca Batalla v Benjamin Lock | 3-6,7-5,6-3 |
| ITF - M25 Muttenz | 2021/08/18 07:30 | Florent Bax v Benjamin Lock | 4-6,7-6,6-2 |
| ITF - M15 Parnu | 2021/08/05 09:45 | Mattias Siimar v Benjamin Lock | 6-3,6-4 |
| ITF - M15 Parnu | 2021/08/04 15:10 | Paul Woerner v Benjamin Lock | 2-6,4-6 |