Nadal defeated Matosevic 6-2, 6-4 and will now face Djokovic for the 36th time. Nadal holds a 20-15 all-time advantage over Djokovic with much of that success having come in clay court tournaments. This tune-up for the U.S. Open is being played on a hard court.
Djokovic reached the semifinals with a 6-1, 6-2 victory over Richard Gasquet.
Vasek Pospisil became a surprise semifinalist when Nikolay Davydenko lost the first three games of their meeting and retired with an injury.