Top-ranked Marin Cilic and other players boarded a special bus straight from the airport, drove into the heart of the capital.
Croatian second seed Marin Cilic survived a tough examination by Canadian Vasek Pospisil to reach the fourth round of the Miami Open.
Federer survived a second set 'freeze' and an onslaught from Marin Cilic to claim a record-equalling sixth Australian Open title on Rod Laver Arena on Sunday.
Nadal's Australian Open quarter-final curse struck again on Tuesday, an injury forcing the top seed to retire in the fifth set against Croatia's Marin Cilic.
Rafael Nadal will play Marin Cilic in the semi-finals of the Shanghai Masters on Saturday after the world number one was forced to fight past Grigor Dimitrov 6-4, 6-7 (4/7), 6-3.
Roger Federer is set to meet Marin Cilic in the final of Wimbledon Cup in July 16 at 3 p.m. Cairo local time.