The start of Saturday’s play was delayed due to rain at the Foro Italico.
Garbine Muguruza was due to get underway against Madison Keys in the women’s semi-final at midday local time.
But that match was moved to Pietrangeli with Andy Murray against Lucas Pouille the first game on Center Court with play eventually starting at 3.30pm
Revised (selected) schedule:
Murray v Pouille (not before 2.30pm)
Williams v Begu (not before 5pm)
Djokovic v Nishikori (not before 8pm)
Muguruza v Keys (not before 2.30pm)