Head coach and junior manager at TC Itschnach in Zurich, Switzerland
Coach of Dalila Jakupovic (SLO) for two seasons. When they started working together, her WTA ranking was #365, and during the cooperation she climbed to #295. During the period, Christian accompanied her to two tournaments in Germany: Stuttgart and Munich; her career high WTA ranking is #92 (June 2018)
Opened his own tennis school in Switzerland: "CK-Tennis Professional"
Trainer in Switzerland
Trainer at TC Weilheim, Germany
Trainer at the international tennis academy in Warsaw, Poland
Played Satellite, Future and ITF Tournaments
- Worked together with following coaches: Nick Bollettieri (Florida USA), Harry Hopman Camp (Florida USA), Niki Pilic (Albarella I), Günther Bosch (Königslutter GER)