Tomas Berdych and Nenad Zimonjic converted one of their eight break point opportunities to beat second seeds Aisam-Ul-Haq Qureshi and Jean-Julien Rojer 7-6(5), 6-3 in 92 minutes on Tuesday at the Rakuten Japan Open Tennis Championships in Tokyo.

Berdych and Zimonjic hit six aces and won 78 per cent of their service points against the Barclays ATP World Tour Finals contenders.

They will meet Philipp Petzschner and Janko Tipsarevic in the quarter-finals, after the duo edged past Treat Conrad Huey and Jonathan Marray 7-6(4), 7-5 in 88 minutes.