Tennis: Former No. 1 Angelique Kerber eyeing improvement after rehiring coach Torben Beltz

September 01, 2020 3:54 PMNEW YORK (REUTERS) - Angelique Kerber has not won a title since 2018 but the former world No.1 is hoping better days lie ahead after rehiring compatriot Torben Beltz as her coach and restoring a partnership that helped the German win two of her three Grand Slam titles.