LOOK: Daniil Medvedev's coach storms out after world No. 1 yells at him during Halle final | CBS Sports Headlines LOOK: Daniil Medvedev's coach storms out after world No. 1 yells at him during Halle final Coach Gilles Cervara left the court mid-match after Medvedev lashed out at him ESN … Continue reading LOOK: Daniil Medvedev's coach storms out after world No. 1 yells at him during Halle final