Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2019/09/11 20:00 | Alexandre Rotsaert v Vuk Budic | 7-6,7-5 |
| ITF M15 Champaign | 2019/09/10 19:30 | Alexander Brown v Alexandre Rotsaert | 6-2,2-6,8-10 |
| ITF M15 Cancun | 2019/08/26 20:00 | Boris Arias v Alexandre Rotsaert | 6-2,6-1 |
| ITF M15 Cancun | 2019/08/26 15:30 | Andre Baltazar v Alexandre Rotsaert | 1-6,2-6 |
| ITF M25 Iowa City | 2019/07/16 15:00 | Alexander Lebedev v Alexandre Rotsaert | 6-4,7-5 |
| ITF M25 Iowa City | 2019/07/15 15:00 | Jason Kerst v Alexandre Rotsaert | 1-6,7-6,12-14 |
| ITF M15 Rochester | 2019/06/27 17:00 | Alexandre Rotsaert v Justin Butsch | 7-5,5-7,4-6 |
| ITF M15 Rochester | 2019/06/26 19:50 | Tyler Mercier v Alexandre Rotsaert | 3-6,5-7 |
| Challenger L'Aquila | 2019/08/19 12:30 | Sebastian Fanselow v Peter Torebko | 5-7,3-6 |
| Challenger Meerbusch | 2019/08/12 09:35 | Sebastian Fanselow v Scott Griekspoor | 3-6,4-6 |
| Challenger Amersfoort | 2019/07/18 13:20 | Sebastian Fanselow v Igor Sijsling | 5-7,3-6 |
| Challenger Amersfoort | 2019/07/17 16:30 | Tallon Griekspoor v Sebastian Fanselow | 6-1,4-6,3-6 |
| Challenger Amersfoort | 2019/07/15 16:30 | Ryan Nijboer v Sebastian Fanselow | 4-6,2-6 |
| Challenger Ludwigshafen | 2019/07/03 16:00 | Dustin Brown v Sebastian Fanselow | 6-3,6-2 |
| Challenger Ludwigshafen | 2019/07/01 11:50 | Alexey Vatutin v Sebastian Fanselow | 7-5,2-6,6-7 |
| Challenger Milan | 2019/06/27 14:00 | Aslan Karatsev v Sebastian Fanselow | 6-4,6-2 |