Madrid Masters 1000 starts today with a lot of questions to answer: Can Nadal continue his clay-court momentum and possibly take the lead in number of Masters title with 29 over Djokovic’s 28? Will Djokovic be back in shape after his surprising early exit in Monte Carlo? How rusty is Federer after only having played one tournament since his knee injury? Can Thiem, Coric or Kyrgios make waves through the …
