Stanislas Wawrinka denied an expected U.S. Open semifinal showdown between Novak Djokovic and Andy Murray. Wawrinka’s reward is a Saturday meeting with the world No. 1.

Novak Djokovic and Stanislas Wawrinka will be squaring off for the 15th time in their careers at the ATP level when they collide in the semifinals of the U.S. Open on Saturday afternoon.

Djokovic is dominating the head-to-head series 12-2, including 7-1 on hard courts. The Serb has defeated Wawrinka on 11 consecutive occasions dating back to the fall of 2007. Their most recent encounter was the best of all–a 1-6, 7-5, 6-4, 6-7(5), 12-10 thriller won by Djokovic in the fourth round of this season’s Australian Open. They also faced each other in the fourth round of last year’s U.S. Open, with Djokovic cruising 6-4, 6-1, 3-1 before Wawrinka retired.

Both players have been in outstanding form this fortnight. Djokovic rolled through each…