In an encounter that lasted 79 minutes, Paes and Stepanek went down 3-6, 7-6 (6) and 4-10 against the Swiss combine on Wednesday night.

In the semi-finals, Federer and Wawrinka will face Alexander Peya and Bruno Soares. The other semi-final will be an all-American clash between the Bryan brothers and John Isner and Sam Querrey.

Sania storms into semi-finals

Sania Mirza and her Zimbabwean partner Cara Black knocked out second-seeded Russians Ekaterina Makarova and Elena Vesnina toenter the semi-finals of the women's doubles at the BNP Paribas Open tennis tournament.

Fifth-seeded Mirza and Black won 6-4, 6-1, on Wednesday and will now play fourth seeds Czech Lucie Hradecka and China's Jie Zheng who defeated Kveta Peschke and Katerina Srebotnik in a hard-fought quarter-final super tie-break 7-5, 5-7, 10-3.

 (JPN/Agencies)

Latest News from Sports News Desk