Spain: Tenerife 3 - Doubles - Main |
| 1/8-finals | Frantzen C./Sandkaulen T. | Harris A./Harrison C. | 0:2 (4:6, 2:6) | dettagli | 08.02.2023 |
Germany: Koblenz - Doubles - Main |
| Quarter-finals | Eysseric J./Molchanov D. | Frantzen C./Sandkaulen T. | 2:1 (6:3, 0:6, 10:8) | dettagli | 02.02.2023 |
| 1/8-finals | Broady L./Brown D. | Frantzen C./Sandkaulen T. | 1:2 (3:6, 6:2, 8:10) | dettagli | 01.02.2023 |
Germany: M25 Wetzlar - Doubles - Main |
| Final | Frantzen C./Sandkaulen T. | Hassan B./Lamasine T. | 0:2 (4:6, 3:6) | dettagli | 06.08.2022 |
| Semi-finals | Dellien Velasco M. A./Zeballos F. | Frantzen C./Sandkaulen T. | 0:2 (3:6, 3:6) | dettagli | 04.08.2022 |
| Quarter-finals | Frantzen C./Sandkaulen T. | Cubelic K./Pichler D. | 2:0 (6:1, 6:4) | dettagli | 03.08.2022 |
| 1/8-finals | Frantzen C./Sandkaulen T. | Ricca G./Sorrentino L. | 2:0 (7:610, 6:3) | dettagli | 02.08.2022 |
Germany: M25+H Kassel - Doubles - Main |
| Final | Gentzsch T./Zima L. | Frantzen C./Sandkaulen T. | 0:2 (4:6, 2:6) | dettagli | 16.07.2022 |
| Semi-finals | Frantzen C./Sandkaulen T. | Beloborodko I./Uzhylovskyi V. | 2:1 (6:2, 4:6, 10:3) | dettagli | 15.07.2022 |
| Quarter-finals | Molleker R./Moraing O. | Frantzen C./Sandkaulen T. | 0:2 (1:6, 1:6) | dettagli | 14.07.2022 |
| 1/8-finals | Opitz J./Steiner M. | Frantzen C./Sandkaulen T. | 0:2 (1:6, 2:6) | dettagli | 12.07.2022 |
Germany: M25 Marburg - Doubles - Main |
| Semi-finals | Opitz J./Steiner M. | Frantzen C./Sandkaulen T. | 2:0 (6:2, 7:63) | dettagli | 08.07.2022 |
| Quarter-finals | Frantzen C./Sandkaulen T. | Oliel Y./Vrbensky M. | 2:0 (6:4, 6:4) | dettagli | 07.07.2022 |
| 1/8-finals | Frantzen C./Sandkaulen T. | Agarwal R./Caripi V. | 2:0 (6:1, 6:2) | dettagli | 05.07.2022 |
Germany: Luedenscheid - Doubles - Main |
| 1/8-finals | Frantzen C./Sandkaulen T. | Diaz Acosta F./Rodriguez Taverna S. | 1:2 (6:4, 3:6, 8:10) | dettagli | 29.06.2022 |
Belgium: M25 Arlon - Doubles - Main |
| Final | Chandrasekar A./Prashanth V. | Frantzen C./Sandkaulen T. | 2:0 (7:65, 6:4) | dettagli | 25.06.2022 |
| Semi-finals | Gadamauri B./Schoolkate T. | Frantzen C./Sandkaulen T. | 0:2 (3:6, 3:6) | dettagli | 25.06.2022 |
| Quarter-finals | Llanes F./Roncadelli F. | Frantzen C./Sandkaulen T. | 0:2 (4:6, 4:6) | dettagli | 23.06.2022 |
| 1/8-finals | Hornung M./Vankan M. | Frantzen C./Sandkaulen T. | 0:2 (1:6, 3:6) | dettagli | 21.06.2022 |
Belgium: M15 Duffel - Doubles - Main |
| Semi-finals | Frantzen C./Sandkaulen T. | Knaff A./Rodesch C. | 0:2 (65:7, 64:7) | dettagli | 17.06.2022 |
| Quarter-finals | Frantzen C./Sandkaulen T. | D'hulst N./Merre N. | 2:0 (6:3, 6:2) | dettagli | 16.06.2022 |
| 1/8-finals | Frantzen C./Sandkaulen T. | Hoogmartens A./Ungerman O. | 2:0 (6:0, 6:1) | dettagli | 15.06.2022 |
Bosnia and Herzegovina: M15 Sarajevo - Doubles - Main |
| Semi-finals | Frantzen C./Sandkaulen T. | Bittoun C./Vrbensky M. | 1:2 (3:6, 6:3, 7:10) | dettagli | 10.06.2022 |
| Quarter-finals | Karahodza D./Setkic A. | Frantzen C./Sandkaulen T. | 0:2 (3:6, 3:6) | dettagli | 09.06.2022 |
| 1/8-finals | Hodzic A. M./Nincevic F. | Frantzen C./Sandkaulen T. | 0:2 (2:6, 4:6) | dettagli | 07.06.2022 |
Germany: Troisdorf - Doubles - Main |
| 1/8-finals | Barrios Vera T./Mena F. | Frantzen C./Sandkaulen T. | 2:0 (6:2, 7:65) | dettagli | 25.05.2022 |
Czech Republic: M25 Most - Doubles - Main |
| Final | Gengel M./Poljak D. | Frantzen C./Sandkaulen T. | 1:2 (3:6, 6:4, 7:10) | dettagli | 21.05.2022 |
| Semi-finals | Bolardt A./Krumich M. | Frantzen C./Sandkaulen T. | 1:2 (5:7, 6:4, 3:10) | dettagli | 20.05.2022 |
| Quarter-finals | Damm M./Damm M. | Frantzen C./Sandkaulen T. | 0:2 (5:7, 3:6) | dettagli | 19.05.2022 |
| 1/8-finals | Cerny M./Havlicek M. | Frantzen C./Sandkaulen T. | 0:2 (3:6, 0:6) | dettagli | 17.05.2022 |
Germany: Heilbronn - Doubles - Main |
| 1/8-finals | Frantzen C./Sandkaulen T. | Martin A./Weissborn S. | 1:2 (5:7, 7:65, 6:10) | dettagli | 10.05.2022 |
Germany: M15 Meerbusch - Doubles - Main |
| Final | Frantzen C./Sandkaulen T. | Pereira F./Roveri Sidney G. | 2:0 (7:65, 6:4) | dettagli | 07.05.2022 |
| Semi-finals | Echeverria J./Opitz J. | Frantzen C./Sandkaulen T. | 0:2 (4:6, 3:6) | dettagli | 06.05.2022 |
| Quarter-finals | Frantzen C./Sandkaulen T. | Bertrand R./Gomes M. | 2:0 (6:4, 6:4) | dettagli | 05.05.2022 |
| 1/8-finals | Altuna T./Nincevic F. | Frantzen C./Sandkaulen T. | 0:2 (2:6, 2:6) | dettagli | 04.05.2022 |
Croatia: M25 Split - Doubles - Main |
| Semi-finals | Frantzen C./Sandkaulen T. | Arribage T./Sanchez L. | 1:2 (2:6, 6:3, 8:10) | dettagli | 29.04.2022 |
| Quarter-finals | Setkic A./Sultanov K. | Frantzen C./Sandkaulen T. | 1:2 (2:6, 6:3, 3:10) | dettagli | 28.04.2022 |
| 1/8-finals | Frantzen C./Sandkaulen T. | Bielinskyi V./Galik M. | 2:0 (6:4, 6:1) | dettagli | 26.04.2022 |
| 1/8-finals | Frantzen C./Sandkaulen T. | Cubelic K./Woerner P. | CAN. | dettagli | 26.04.2022 |
Tunisia: M15 Monastir 12 - Doubles - Main |
| Final | Frantzen C./Sandkaulen T. | Kielan S./Mikula M. | 1:2 (64:7, 7:62, 2:10) | dettagli | 02.04.2022 |
| Semi-finals | Novansky M./Palovic L. | Frantzen C./Sandkaulen T. | 0:2 (2:6, 3:6) | dettagli | 01.04.2022 |
| Quarter-finals | Frantzen C./Sandkaulen T. | Gao Q./Liu H. | 2:0 (6:4, 6:3) | dettagli | 31.03.2022 |
| 1/8-finals | Frantzen C./Sandkaulen T. | Nakamura R./Sueoka Y. | 2:0 (6:1, 6:4) | dettagli | 29.03.2022 |
Tunisia: M15 Monastir 11 - Doubles - Main |
| 1/8-finals | Frantzen C./Sandkaulen T. | Abderrahman W./Jans J. | 1:2 (6:3, 64:7, 8:10) | dettagli | 23.03.2022 |
Tunisia: M25 Monastir 4 - Doubles - Main |
| 1/8-finals | Arribage T./Donski A. | Frantzen C./Sandkaulen T. | 2:0 (6:2, 6:2) | dettagli | 27.01.2022 |
Tunisia: M25 Monastir 3 - Doubles - Main |
| Quarter-finals | Mayot H./Royer V. | Frantzen C./Sandkaulen T. | 2:1 (6:1, 64:7, 10:6) | dettagli | 20.01.2022 |
| 1/8-finals | Chen Z. H./Ng K. L. | Frantzen C./Sandkaulen T. | 0:2 (3:6, 1:6) | dettagli | 18.01.2022 |