![24 May 2018, Germany, Nuremberg: Tennis: WTA Tour - Nuremberg, women's singles. Christopher Kas, coach of German tennis player Mona Barthel, watches the match. Photo: Daniel Karmann/dpa Credit: dpa picture alliance/Alamy Live 24 May 2018, Germany, Nuremberg: Tennis: WTA Tour - Nuremberg, women's singles. Christopher Kas, coach of German tennis player Mona Barthel, watches the match. Photo: Daniel Karmann/dpa Credit: dpa picture alliance/Alamy Live](https://c8.alamy.com/comp/MPP8YM/24-may-2018-germany-nuremberg-tennis-wta-tour-nuremberg-womens-singles-christopher-kas-coach-of-german-tennis-player-mona-barthel-watches-the-match-photo-daniel-karmanndpa-credit-dpa-picture-alliancealamy-live-news-MPP8YM.jpg)
24 May 2018, Germany, Nuremberg: Tennis: WTA Tour - Nuremberg, women's singles. Christopher Kas, coach of German tennis player Mona Barthel, watches the match. Photo: Daniel Karmann/dpa Credit: dpa picture alliance/Alamy Live
![Germany's Christopher Kas (R) and team captain Carsten Arriens acknowledge the crowd as they leave after losing their Davis Cup tennis doubles match against Argentina's Horacio Zeballos and David Nalbandian in Buenos Germany's Christopher Kas (R) and team captain Carsten Arriens acknowledge the crowd as they leave after losing their Davis Cup tennis doubles match against Argentina's Horacio Zeballos and David Nalbandian in Buenos](https://c8.alamy.com/comp/2CXMJ7B/germanys-christopher-kas-r-and-team-captain-carsten-arriens-acknowledge-the-crowd-as-they-leave-after-losing-their-davis-cup-tennis-doubles-match-against-argentinas-horacio-zeballos-and-david-nalbandian-in-buenos-aires-february-2-2013-argentina-won-the-series-3-0-reutersmarcos-brindicci-argentina-tags-sport-tennis-2CXMJ7B.jpg)
Germany's Christopher Kas (R) and team captain Carsten Arriens acknowledge the crowd as they leave after losing their Davis Cup tennis doubles match against Argentina's Horacio Zeballos and David Nalbandian in Buenos
![Christopher Kas im Interview: "Das Stresslevel mal runterzufahren - jetzt ist die Gelegenheit dazu" · tennisnet.com Christopher Kas im Interview: "Das Stresslevel mal runterzufahren - jetzt ist die Gelegenheit dazu" · tennisnet.com](https://www.tennisnet.com/fileadmin/_processed_/e/0/csm_kasi-andrea-schlager_8c3f9f2ae7.jpeg)
Christopher Kas im Interview: "Das Stresslevel mal runterzufahren - jetzt ist die Gelegenheit dazu" · tennisnet.com
![Christopher Kas im Interview über den “Tennis-Hotspot-TCG”: “Schritt in Bundesliga wagen” | Tennisclub Großhesselohe Christopher Kas im Interview über den “Tennis-Hotspot-TCG”: “Schritt in Bundesliga wagen” | Tennisclub Großhesselohe](https://i0.wp.com/www.tc-grosshesselohe.de/wp-content/uploads/2017/01/Tennis-2015-TC-Gro%C3%9Fhesselohe-Christopher-Kas-Aufschlag.jpg)
Christopher Kas im Interview über den “Tennis-Hotspot-TCG”: “Schritt in Bundesliga wagen” | Tennisclub Großhesselohe
![Tennis Kasi live Christopher Kas Dominic Thiem Stefanos Tsitsipas Boris Becker | Sport in der Region Tennis Kasi live Christopher Kas Dominic Thiem Stefanos Tsitsipas Boris Becker | Sport in der Region](https://www.ovb-online.de/bilder/2020/06/01/13783080/114669597-kasi-fertig-yPE3XjAeSea.jpg)
Tennis Kasi live Christopher Kas Dominic Thiem Stefanos Tsitsipas Boris Becker | Sport in der Region
![Christopher Kas and Philipp Petzschner in a doubles match, Grand Slam Tournament, US Open 2008, USTA Billie Jean National Tennis Stock Photo - Alamy Christopher Kas and Philipp Petzschner in a doubles match, Grand Slam Tournament, US Open 2008, USTA Billie Jean National Tennis Stock Photo - Alamy](https://c8.alamy.com/comp/HAFNN7/christopher-kas-and-philipp-petzschner-in-a-doubles-match-grand-slam-HAFNN7.jpg)