Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2020 |  | Kai Schusters | FW | |||
| 02/2020 |  | Tomoya Ito | FW |  | Tsukuba University | Tsukuba University |
| 01/2020 | | Jasper Löffelsend | MF |  | Bonner SC | Bonner SC |
| 01/2020 | | Celal Kanli | FW | | Bonner SC | Bonner SC |
| 11/2019 | | Shinsuke Hori | MF | |||
| 08/2019 | | Jannik Stoffels | MF | | Bonner SC | Bonner SC |
| 07/2019 | | Max Blönigen | GK |  | FC Hennef 05 U19 | FC Hennef 05 U19 |
| 07/2019 | | Matteo Tessarolo | GK | |||
| 07/2019 | | Michael Hasemann | DF |  | TV Herkenrath | TV Herkenrath |
| 07/2019 |  | Kenan Akalp | MF | | TV Herkenrath | TV Herkenrath |
| 07/2019 | | Hasan Akçakaya | MF |  | Optik Rathenow | Rathenow |
| 07/2019 | | Sakae Iohara | MF |  | FC Wegberg-Beeck | Wegberg-B. |
| 07/2019 | | Matona-Glody Ngyombo | MF |  | Siegburger SV 04 | Siegburger SV |
| 07/2019 | | Eric Gweth | FW |  | Blau-Weiß Friesdorf | Blau-Weiß Fries |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2020 | | Shinsuke Hori | MF | | Blau-Weiß Friesdorf | Blau-Weiß Fries |
| 01/2020 | | Hasan Akçakaya | MF |  | VfB Hohenems | VfB Hohenems |
| 01/2020 | | Florian Diehl | MF | | Siegburger SV 04 | Siegburger SV |
| 01/2020 | | Dennis Eck | FW | | Siegburger SV 04 | Siegburger SV |
| 07/2019 | | Hannes Viehweger | DF |  | SV Deutz 05 | SV Deutz 05 |
| 07/2019 | | Johannes Jahn | MF |  | SC Brühl 06/45 | SC Brühl |
| 07/2019 | | Yoshiaki Kikuchi | MF |  | Leixões SC | Leixões SC |
| 07/2019 | | Nils-Simon Remagen | MF |  | VfL Alfter | VfL Alfter |
| 07/2019 | | Mathias Roder | MF | | Siegburger SV 04 | Siegburger SV |