The Australian-American pair knocked off top seeds Rajeev Ram and Horacio Zeballos 6-4, 1-6, 10-2 to advance to the quarter-finals at the Washington ATP 500 event. With the defeat, Ram loses out on an opportunity to overtake his full-time partner Joe Salisbury at No. 1 in the Pepperstone ATP Doubles Rankings.
De Minaur/Tiafoe struck late in the opening set but quickly lost the second after failing to convert from 15/40 at 0-2 down on return. But they used runs of four and five straight points to dominate the Match Tie-break.
Colombians Juan Sebastian Cabal and Robert Farah also advanced via Match Tie-break on Tuesday evening, edging second seeds Wesley Koolhof and Neal Skupski 6-4, 3-6, 10-8 by winning the final four points of the contest.
In earlier Tuesday doubles action, Rohan Bopanna and Matwe Middelkoop defeated Denis Kudla and Denis Shapovalov 6-4, 6-4, while Daniel Evans and John Peers downed Hubert Hurkacz and Tommy Paul 7-6(7), 6-4.
Klaasen/Melo Advance In Los Cabos
Raven Klaasen and Marcelo Melo began their Abierto de Tenis Mifel campaign with victory on Tuesday, defeating Belgians Sander Gille and Joran Vliegen 7-6(4), 6-4 to reach the second round in Los Cabos.
The fourth seeds, who advanced to the final in Newport together last month, saved all three break points they faced to triumph after one hour and 36 minutes. They will next play Treat Huey and Steve Johnson.
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Photo Credit: Mextenis
The Mexican-Argentine tandem holds a strong record in South America, having lifted trophies in Cordoba and Buenos Aires earlier this year. They will next face Nicolas Barrientos and Miguel Angel Reyes-Varela after the Colombian-Mexican team eliminated Max Jacob Schnur and John-Patrick Smith 6-4, 7-6(5).