Briton Joe Salisbury and American Rajeev Ram reached the semi-finals of the men's doubles at the US Open with a clinical win over Monaco's Hugo Nys and Poland's Jan Zielinski in New York.
World number one Salisbury and partner Ram had missed out on four match points while 5-4 up in the second set.
They face either Harri Heliovaara and Lloyd Glasspool or Juan Sebastian Cabal and Robert Farah in the semi-finals.
Briton Glasspool and Finn Heliovaara take on the Colombian pair later on the Grandstand stadium.
Britain's Neal Skupski and Dutchman Wesley Koolhof - the second seeds - face Marcelo Demoliner of Brazil and Portugal's Joao Sousa in the last eight on Louis Armstrong later on Tuesday.