France: W60 Andrezieux-Boutheon - Doubles - Main |
| 1/8-finals | Kania P./Zavatska K. | Hesse A./Zimmermann K. | 2:0 (6:0, 6:3) | details | 27.01.2021 |
Germany: W25 Hamburg - Doubles - Main |
| Final | Bondar A./Mihalikova T. | Hesse A./Zimmermann K. | 2:0 (6:4, 6:4) | details | 16.01.2021 |
| Semi-finals | Hesse A./Zimmermann K. | Gjorcheska L./Lansere S. | 2:0 (7:5, 7:5) | details | 15.01.2021 |
| Quarter-finals | Akita S./Hartono A. | Hesse A./Zimmermann K. | 1:2 (6:3, 2:6, 7:10) | details | 14.01.2021 |
| 1/8-finals | Middendorf J./Schunk N. M. | Hesse A./Zimmermann K. | 1:2 (4:6, 7:61, 6:10) | details | 13.01.2021 |
Spain: W25 Las Palmas de Gran Canaria - Doubles - Main |
| Final | Lamens S./Vedder E. | Salden L./Zimmermann K. | 0:2 (1:6, 3:6) | details | 21.11.2020 |
| Semi-finals | Jani R-L./Sanchez A. S. | Salden L./Zimmermann K. | 0:2 (1:6, 1:6) | details | 20.11.2020 |
| Quarter-finals | Cavalle-Reimers Y./Gamiz A. | Salden L./Zimmermann K. | 1:2 (6:1, 0:6, 7:10) | details | 19.11.2020 |
| 1/8-finals | Bouzas Maneiro J./Mintegi Del Olmo A. | Salden L./Zimmermann K. | 1:2 (5:7, 6:2, 5:10) | details | 18.11.2020 |
Italy: W15 Ortisei - Doubles - Main |
| Final | Lamens S./Zimmermann K. | Di Sarra F./Kulikova A. | 2:1 (3:6, 6:4, 11:9) | details | 06.11.2020 |
| Semi-finals | Lamens S./Zimmermann K. | Avdeeva J./Zucchini A. | 2:0 (6:2, 7:5) | details | 05.11.2020 |
| Quarter-finals | Lamens S./Zimmermann K. | Girelli C./Valletta E. | 2:0 (6:4, 6:3) | details | 04.11.2020 |
France: W25 Cherbourg-en-Cotentin - Doubles - Main |
| Semi-finals | Savinykh V./Zimmermann K. | Dart H./Grey S. B. | 1:2 (2:6, 6:4, 5:10) | details | 16.10.2020 |
| Quarter-finals | Savinykh V./Zimmermann K. | Cakarevic S./Yerolymos M. | 2:0 (6:1, 7:62) | details | 14.10.2020 |
Italy: W25 Grado - Doubles - Main |
| 1/8-finals | Salden L./Zimmermann K. | Turati A./Turati B. | 1:2 (4:6, 6:2, 8:10) | details | 15.09.2020 |
Italy: W25 Tarvisio - Doubles - Main |
| Semi-finals | Salden L./Zimmermann K. | Benoit M./Cadantu A. | 1:2 (6:3, 1:6, 9:11) | details | 12.09.2020 |
| Quarter-finals | Salden L./Zimmermann K. | Antonitsch M./Grabher J. | 2:1 (6:4, 3:6, 10:8) | details | 10.09.2020 |
| 1/8-finals | Salden L./Zimmermann K. | Lizarazo Y./Zantedeschi A. | 2:1 (6:1, 3:6, 11:9) | details | 09.09.2020 |
Czech Republic: Prague - Doubles - Main |
| Quarter-finals | Galfi D./Zimmermann K. | Gatto-Monticone G./Podoroska N. | 1:2 (5:7, 6:3, 8:10) | details | 04.09.2020 |
| 1/8-finals | Cepelova J./Errani S. | Galfi D./Zimmermann K. | 1:2 (6:4, 1:6, 10:12) | details | 02.09.2020 |
| 1/16-finals | Galfi D./Zimmermann K. | Anderson R./Loeb J. | 2:1 (6:4, 4:6, 10:6) | details | 01.09.2020 |
United Kingdom: W25 Glasgow - Doubles - Main |
| Final | Salden L./Tauson C. | Georges M./Zimmermann K. | 0:2 (62:7, 65:7) | details | 22.02.2020 |
| Semi-finals | Georges M./Zimmermann K. | Paar L./Wachaczyk J. | 2:1 (6:3, 1:6, 10:7) | details | 21.02.2020 |
| Quarter-finals | Hartono A./Miyazaki L. | Georges M./Zimmermann K. | 1:2 (2:6, 6:2, 7:10) | details | 20.02.2020 |
| 1/8-finals | Georges M./Zimmermann K. | Bondar A./Jani R-L. | 2:1 (5:7, 6:2, 10:6) | details | 18.02.2020 |
France: W25 Grenoble - Doubles - Main |
| 1/8-finals | Lee S./Muntean V. | Arcangioli M./Zimmermann K. | WO. | details | 11.02.2020 |
France: W60 Andrezieux-Boutheon - Doubles - Main |
| Quarter-finals | Sizikova Y./Stojanovic N. | Georges M./Zimmermann K. | 2:1 (6:4, 3:6, 10:6) | details | 30.01.2020 |
| 1/8-finals | Georges M./Zimmermann K. | Bucsa C./Muntean V. | 2:0 (6:0, 6:3) | details | 28.01.2020 |
USA: W25 Vero Beach - Doubles - Main |
| Semi-finals | Galfi D./Zimmermann K. | Hsu C./Udvardy P. | WO. | details | 25.01.2020 |
| Quarter-finals | Maristany G./Seguel D. | Galfi D./Zimmermann K. | WO. | details | 24.01.2020 |
| 1/8-finals | Gatica B./Pereira R. | Galfi D./Zimmermann K. | 0:2 (4:6, 1:6) | details | 21.01.2020 |
USA: W25 Daytona Beach - Doubles - Main |
| Final | Ormaechea P./Thombare P. | Galfi D./Zimmermann K. | 0:2 (64:7, 2:6) | details | 18.01.2020 |
| Semi-finals | Boskovic L./Talaba G. | Galfi D./Zimmermann K. | 1:2 (6:2, 3:6, 7:10) | details | 17.01.2020 |
| Quarter-finals | Halbauer E./Neel I. | Galfi D./Zimmermann K. | 1:2 (7:69, 2:6, 7:10) | details | 16.01.2020 |
| 1/8-finals | Gatica B./Pereira R. | Galfi D./Zimmermann K. | 0:2 (4:6, 1:6) | details | 14.01.2020 |