| ITF Belgium F2 | 2017/06/29 08:00 | Alex Knaff v Corentin Denolly | 4-6,2-6 |
| ITF Belgium F2 | 2017/06/28 09:00 | Alex Knaff v Thomas Brees | 6-1,6-2 |
| ITF Belgium F2 | 2017/06/27 09:30 | Alex Knaff v Thomas Brees | 6-1,5-2 |
| ITF Belgium F2 Qual | 2017/06/26 11:25 | Alex Knaff v Christophe Nickels | 6-2,6-2 |
| ITF Belgium F2 Qual | 2017/06/25 14:00 | Alex Knaff v Thomas Pouleur | 6-3,5-0 |
| ITF Belgium F1 | 2017/06/20 17:00 | Alex Knaff v Mirko Martinez | 6-7,2-6 |
| Davis Cup | 2017/04/07 07:50 | Alex Knaff v Arber Sulstarova | 6-2,6-0 |
| ITF USA F40 Qual | 2016/12/04 17:30 | Dragos Constantin Ignat v Alex Knaff | 6-2,6-7,6-2 |
| ITF Germany F6 | 2017/07/02 08:00 | Steven Broge v Lucas Gerch | 1-6,0-6 |
| ITF Germany F7 | 2015/07/13 08:00 | Tom Schonenberg v Lucas Gerch | 6-4,6-3 |
| ITF Germany F7 | 2015/07/12 08:00 | Marvin Greven v Lucas Gerch | 0-6,1-6 |
| ITF Germany F6 | 2015/07/09 13:05 | Duje Kekez v Lucas Gerch | 6-2,6-2 |
| ITF Germany F6 | 2015/07/06 12:30 | Simeon Rossier v Lucas Gerch | 4-6,2-6 |
| ITF Germany F6 | 2015/07/05 08:00 | Leon Hoeveler v Lucas Gerch | 3-6,2-6 |
| ITF Germany F11 | 2014/08/03 11:00 | Jonas Trinker v Lucas Gerch | 3-6,3-6 |
| ITF Germany F10 | 2014/07/29 12:40 | Lucas Gerch v Kevin Kaczynski | 6-7,6-1,3-6 |