Decline of claycourt king Rafa Nadal makes a 2015 grand slam for world No 1 all the more likely, ex-tennis pro says.
World No 1 worried about old master's skill in Dubai, while No 2 seedis just worried to be playing Djokovic.
Former tennis pro relaxed about women's No 1 winning titles to break wife Steffi Graf's 22-title record.
Andy Murray's February torment deepened when he lost to 18-year-old Croatian Borna Coric in Dubai.
Ex-tennis pro charged by police after allegedly throwing a tennis match that associates won big betting on.