In a down day for German doubles, top seeds John Peers/Bruno Soares advanced past home favourites Tim Puetz/Jan-Lennard Struff 4-6, 7-5, 10-6 to reach the MercedesCup quarter-finals on Tuesday. Peers/Soares will face Denys Molchanov/Artem Sitak for a place in the semi-finals.
Fourth seeds Oliver Marach/Jurgen Melzer of Austria gave the host country more doubles misfortune, ousting Alexander Zverev/Mischa Zverev 7-6(5), 6-3, and French wild cards Lucas Pouille/Jo-Wilfried Tsonga beat wild cards Andre Begemann/Dustin Brown 5-7, 7-6(4), 15-13.
Marach/Melzer will next face Robert Lindstedt/Milos Raonic, and Pouille/Tsonga will play third seeds Bob Bryan/Mike Bryan or the Indian-Canadian team of Rohan Bopanna/Denis Shapovalov.
The seeds also advanced in ‘s-Hertogenbosch at the Libema Open. Second seeds Raven Klaasen/Michael Venus escaped Roman Jebavy/Igor Zelenay 4-6, 7-5, 10-7, and third seeds Jamie Murray/Neal Skupski began their partnership with a 7-5, 3-6, 10-7 win against Chileans Cristian Garin/Nicolas Jarry.