The king of clay will return to Team Europe in what could be his farewell to the sport.
In Djokovic's absence, Jannik Sinner will be top seed in Madrid.
The king of clay is scheduled to play his Madrid opener on Tuesday.
Former Wimbledon winner opens her clay-campaign with commitment to succeed on dirt.
The 17-year-old plays blistering tennis, and it's paying off at tour-level.
The Tunisian is happy to be back on the clay and no longer under an injury cloud.
The Spaniard sets his sights on Roland-Garros after an encouraging pair of matches in Barcelona.
