Second seeds Raven Klaasen/Michael Venus encountered few problems in a convincing 6-3, 6-3 first-round win over Cristian Garin/Benoit Paire on Tuesday at the Swiss Indoors Basel. Next up for Klaasen/Venus are Ivan Dodig/Filip Polasek, who saved a set point at 5/6 in the first-set tie-break of their 7-6(6), 7-5 victory against Luca Margaroli/Jan-Lennard Struff.

Fourth seeds Jean-Julien Rojer/Horia Tecau held off a determined effort from Nikola Mektic/Franko Skugor to score a 6-3, 6-7(7), 10-5 win. Rojer/Tecau missed two match points at 6/5 and 7/6 in the second-set tie-break, but recovered quickly to set up a quarter-final battle with Jamie Murray/Neal Skupski.

At the Erste Bank Open in Vienna, third seeds Pierre-Hugues Herbert/Nicolas Mahut saved all three break points in their 6-1, 6-4 victory over Grigor Dimitrov/Feliciano Lopez. Awaiting them in the quarter-finals are Andres Molteni/Diego Schwartzman, who took out Dominic Inglot/Austin Krajicek 6-7(5), 6-3, 10-5.

Fourth seeds Rajeev Ram/Joe Salisbury rallied from 2-5 in the second set and saved a set point at 4-5 to defeat Karen Khachanov/Andrey Rublev 6-4, 7-6(4). They’ll play Luke Bambridge/Ben McLachlan for a place in the semi-finals.