Jamie Murray and Bruno Soares beat defending champions Pierre-Hugues Herbert and Nicolas Mahut of France to reach the US Open doubles final.
Britain's Murray and Brazilian Soares upset the world number one pairing 7-5 4-6 6-3 at Flushing Meadows.
Spain's Feliciano Lopez and Marc Lopez face compatriots Pablo Carreno Busta and Guillermo Garcia-Lopez in the second semi-final later on Thursday.
Murray and Soares won the Australian Open title in January.
More to follow.