| Italian International - Herredobbel | 2019/12/15 09:20 | Popov/Popov v Geiss/Volker | W | 0-2 |
| Italian International - Herredobbel | 2019/12/14 17:00 | Adam/Maio v Geiss/Volker | W | 1-2 |
| Italian International - Herredobbel | 2019/12/14 10:15 | Geiss/Volker v Druzchenko/Kolesnik | W | 2-0 |
| Italian International - Herredobbel | 2019/12/13 18:40 | Stoffersen/Vestergaard v Geiss/Volker | W | 1-2 |
| Scottish Open - Heredouble | 2019/11/22 17:30 | Geiss/Volker v Wei/Wu | L | 0-2 |
| Scottish Open - Heredouble | 2019/11/22 13:40 | Geiss/Volker v Kaisti/Larkimo | W | 2-1 |
| SaarLorLux Open MD | 2019/10/31 17:15 | Jansen/Kaesbauer v Geiss/Volker | L | 2-0 |
| SaarLorLux Open MD | 2019/10/30 12:00 | Magee/Reynolds v Geiss/Volker | W | 0-2 |
| Bulgarian Int. - Herredouble | 2019/10/04 14:00 | Monnberg/Paul v Alhasanov/Huseynov | L | 2-0 |