He was due to play Novak Djokovic.
Andy Murray's pulled out of his match with Novak Djokovic at the Madrid Open tennis due to illness.
The clash between the former and current world number one players in the last-16 was due to be their first meeting in five years.
Murray had enjoyed an impressive run at the tournament, knocking out Dominic Thiem and Denis Shapovalov.

Waterford Claim Crucial Win Over Shelbourne
Pádraig Harrington Finishes Third In Portugal Invitational
Kuwaki Wins Women's Open After Dramatic Play-Off Victory
Galway Edge Kerry To Claim TG4 All-Ireland Title
England And Wales Withdraw Support For Infantino Re-Election As FIFA President
Monday Morning Sports Update
Kildare Under-16's Crowned Fr. Manning Cup Champions
Cronin Departs Republic Of Ireland Assistant Coaching Role