 Switzerland: W60 Bellinzona - Doubles - Main |
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| 1/8-finals | Shinikova I./Silva E. | Barthel M./Knoll X. | 2:0 (6:1, 7:65) | dettagli | 06.04.2021 |
| Switzerland: Lausanne - Doubles - Main |
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| Quarter-finals | Barthel M./Knoll X. | Lister C. E./Voracova R. | 0:2 (4:6, 4:6) | dettagli | 18.07.2019 |
| 1/8-finals | Barthel M./Knoll X. | Sugnaux T./Waltert S. | 2:0 (6:4, 6:4) | dettagli | 17.07.2019 |
 Sweden: Bastad - Doubles - Main |
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| Quarter-finals | Bogdan E./Van der Hoek R. | Barthel M./Knoll X. | 2:1 (7:5, 3:6, 10:8) | dettagli | 11.07.2019 |
| 1/8-finals | Hennemann C. W./Ostlund F. | Barthel M./Knoll X. | 0:2 (3:6, 1:6) | dettagli | 09.07.2019 |
 United Kingdom: Wimbledon - Doubles - Main |
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| 1/32-finals | Hsieh S-W./Strycova B. | Barthel M./Knoll X. | 2:0 (6:2, 6:1) | dettagli | 04.07.2019 |
| Switzerland: Lugano - Doubles - Main |
|---|
| Quarter-finals | Kudermetova V./Voskoboeva G. | Barthel M./Knoll X. | 2:1 (64:7, 6:1, 10:5) | dettagli | 11.04.2019 |
| 1/8-finals | Barthel M./Knoll X. | Ferro F./Parmentier P. | 2:0 (6:1, 7:66) | dettagli | 09.04.2019 |
