| ITF USA F1 | 01/07 21:20 | 26 | Sebastian Fanselow v Evan King | 4-6,6-3,6-4 | |
| ITF USA F1 | 01/06 01:00 | 25 | Eric James Johnson v Sebastian Fanselow | 1-6,1-6 | |
| ITF Australia F10 | 11/19 23:00 | 27 | Sebastian Fanselow v Robin Stanek | 2-6,6-7 | |
| ITF Australia F10 | 11/19 01:05 | 26 | Sebastian Fanselow v Blake Mott | 4-6,6-4,6-0 | |
| ITF Australia F10 | 11/18 01:30 | 25 | Sebastian Fanselow v Adam O'Shannessy | 6-2,6-0 | |
| ITF Australia F10 | 11/14 23:30 | 29 | Sebastian Fanselow v Benjamin Mitchell | 1-6,4-6 | |
| ITF Australia F10 | 11/13 23:30 | 28 | Sebastian Fanselow v Finn Tearney | 6-4,6-2 | |
| ITF Australia F10 | 11/12 23:30 | 27 | Connor Smith v Sebastian Fanselow | 7-5,0-6,0-6 | |
| ITF Australia F10 | 11/12 02:00 | 26 | Sebastian Fanselow v Harry Bourchier | 7-6,6-3 | |
| ITF Australia F10 | 11/11 04:45 | 25 | Daniel Nolan v Sebastian Fanselow | 3-6,1-6 | |
| Challenger - Traralgon | 10/25 23:00 | 25 | Bradley Mousley v Sebastian Fanselow | 7-6,7-6 | |
| Challenger Traralgon Qual | 10/24 23:00 | 44 | Sebastian Fanselow v Marc Polmans | 6-1,6-3 | |
| ITF USA F27 | 09/23 21:30 | 25 | Sebastian Fanselow v Eric James Johnson | 5-7,3-6 | |
| ITF USA F26 | 09/19 17:00 | 28 | Sebastian Fanselow v Deiton Baughman | 3-6,3-6 | |
| ITF USA F26 | 09/18 17:00 | 27 | Sebastian Fanselow v Ernesto Escobedo | 6-3,7-5 | |
| ITF USA F26 | 09/16 16:00 | 25 | Aleksandar Vukic v Sebastian Fanselow | 3-6,6-7 | |
| ITF Germany F7 | 07/16 10:45 | - | Dusan Lojda v Sebastian Fanselow | 6-2,6-1 | |
| ITF Germany F7 | 07/15 13:10 | - | Sebastian Fanselow v Juan Lizariturry | 6-0,7-5 | |
| ITF Germany F6 | 07/12 12:00 | - | Duje Kekez v Sebastian Fanselow | 4-6,2-6 | |
| ITF Germany F6 | 07/11 13:20 | - | Sebastian Fanselow v Pascal Meis | 7-5,6-2 | |
| ITF Germany F6 | 07/10 15:15 | - | Sebastian Fanselow v Jannis Kahlke | 6-2,3-6,6-3 | |
| ITF Germany F6 | 07/09 12:10 | - | Jean-Marc Werner v Sebastian Fanselow | 1-6,4-6 | |
| ITF Germany F6 | 07/08 12:30 | - | Elmar Ejupovic v Sebastian Fanselow | 4-6,4-6 | |
| ITF Germany F5 | 07/02 14:30 | - | Sebastian Fanselow v Sandro Ehrat | 4-6,4-6 | |
| ITF Germany F5 | 07/01 14:00 | - | Sebastian Fanselow v Marvin Netuschil | Walkover | |
| ITF Germany F17 | 10/23 11:30 | - | Mats Moraing v Sebastian Fanselow | 6-4,3-6,6-1 | |
| ITF Germany F17 | 10/22 13:00 | - | Sebastian Fanselow v Maxime Tchoutakian | 6-4,6-2 | |
| ITF Germany F17 | 10/20 10:00 | - | Lukas Ruepke v Sebastian Fanselow | 6-2,6-7,7-6 | |
| ITF Germany F15 | 10/05 08:00 | - | Arnd Weyhausen v Sebastian Fanselow | 1-6,4-6 |