Stadium: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Forbach - Herredouble | 2021/09/30 15:45 | Calzi/Knaff v Johnson/Jones | 6-7,2-6 |
| ITF M15 Forbach - Herredouble | 2021/09/29 15:00 | Jebens/Schell v Calzi/Knaff | 7-5,6-7,5-10 |
| ITF M15 Forbach - Herredouble | 2021/09/28 16:20 | Calzi/Knaff v Hodkin/Hurrion | 2-6,6-4,10-5 |
| ITF M15 Esch/Alzette - Kvinnedouble | 2021/07/19 15:10 | Calzi/Knaff v Ouden/Oetzbach | 2-6,4-6 |
| Davis Cup | 2021/06/18 12:00 | Arneodo/Nys v Calzi/Knaff | 6-4,6-0 |
| Davis Cup | 2021/06/17 10:50 | Calzi/Knaff v Degabriele/Delicata | 6-1,6-1 |
| Davis Cup | 2021/06/16 11:30 | Calzi/Knaff v Carr/O'Hare | 3-6,4-6 |
| ITF Germany F6 MD | 2018/07/05 13:30 | Cornea/Negritu v Calzi/Knaff | 6-2,6-3 |
| ITF M25 Sintra - Herredouble | 2021/09/07 17:00 | Batista/Stoliar v Cabral/Kachmazov | 1-6,4-6 |