Fifth seeds Lukasz Kubot and Marcelo Melo advanced to the quarter-finals of the Western & Southern Open for the second year in a row on Thursday, beating Rogers Cup finalists Raven Klaasen and Michael Venus 6-4, 7-6(4). The Polish-Brazilian duo avenged a loss they suffered against the same team one week ago in Toronto.
The 2017 semi-finalists will get a chance to beat the opponents who eliminated them from the Cincinnati tournament a year ago. Kubot and Melo will face fourth seeds Jamie Murray and Bruno Soares, who triumphed in Acapulco and Washington, D.C. earlier this season. It will be the first FedEx ATP Head2Head meeting between the two teams this year.
There was an upset in the other doubles match completed thus far, with Roland Garros champion Nicolas Mahut and his partner, Edouard Roger-Vasselin, getting upset. Philipp Kohlschreiber and Fernando Verdasco defeated the Frenchmen 7-6(6), 6-7(4), 10-6.
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Kohlschreiber earned his first doubles win in more than 21 months. After a first-round victory in Dubai last year with Florian Mayer, the German lost 10 consecutive doubles matches.