Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Zlatibor | 2021/09/15 12:50 | Luigi Sorrentino v Luka Kalenic | 6-1,6-0 |
| ITF M15 Zlatibor | 2021/09/14 10:00 | Ali Habib v Luka Kalenic | 6-3,4-6,9-11 |
| ITF M15 Zlatibor | 2021/09/12 10:00 | Luka Kalenic v Francesco Ferrari | 7-6,6-3 |
| ITF M15 Novi Sad | 2021/08/01 11:15 | Luka Kalenic v Taiyo Yamanaka | 0-6,1-6 |
| ITF M15 Zlatibor | 2021/09/15 14:25 | Andres Gabriel Ciurletti v Marko Tepavac | 1-6,1-6 |
| ITF M15 Zlatibor | 2021/09/14 09:40 | Andres Gabriel Ciurletti v Shunsuke Wakita | 6-3,7-5 |
| ITF M25 Ueberlingen | 2021/08/17 08:00 | Andres Gabriel Ciurletti v Nikolaj Talimaa | 6-3,6-1 |
| ITF M25 Ueberlingen | 2021/08/16 08:00 | Andres Gabriel Ciurletti v Philip Florig | 7-5,6-3 |
| ITF M25 Marburg | 2021/07/06 12:30 | Andres Gabriel Ciurletti v Yannik Steinegger | 1-6,7-6,3-10 |
| ITF M25 Marburg | 2021/07/05 09:30 | Kirill Kivattsev v Andres Gabriel Ciurletti | 6-7,6-7 |
| ITF M15 Troisdorf | 2021/05/10 11:00 | Andres Gabriel Ciurletti v Timo Stodder | 3-6,2-6 |
| ITF M15 Troisdorf | 2021/05/09 10:00 | Fred Olivier Schommer v Andres Gabriel Ciurletti | 0-6,1-6 |