 Radek Stepanek has explained his decision to start working with Sebastian Korda ahead of the 22-year-olds maiden Grand Slam quarter-final at the Australian Open. The former world No 8 previously coached Novak Djokovic but has a special connection with the American as he admitted he felt like he had some Korda DNA given his history with ... Djokovic ex-coach explains Korda partnership 20 years in the... 