Indian Wells, California  - Roger Federer and Darren Cahill will debut a "dream team" lineup as the Australian takes the coaching reins with the Swiss at the Indian Wells Masters which begins on Wednesday.

Federer's management confirmed that Cahill, former mentor to Lleyton Hewitt and Andre Agassi, will work together for an unspecified time.

The 43-year-old Australian and the world number 2 have a psychological bond going back more than a decade.

Hamburg  - Spain's Rafael Nadal continues to head an unchanged ATP men's tennis rankings Top 10 issued by the ruling body on Monday, followed by Roger Federer and Novak Djokovic.

At the top, Nadal has 14,360 points, while Federer stands on 11,000.

ATP top 10 as of March 9 (previous ranking in parenthesis):

Hamburg - American Serena Williams remains top of an unchanged women's tennis rankings issued Monday by the WTA ruling body.

Williams leads the rankings with 9,432 points followed by Russia's Dinara Safina on 9,021.

WTA top 10 as of March 9 (previous ranking in parenthesis):

Kaohsiung, Mar 8 : Indian Tennis sensation Somdev Devvarman on Sunday steered India to the third round of the Asia/Oceania Group I Davis Cup competition by beating Yen-Hsun Lu 6-2 6-1 6-3.

The victory gave the visitors a 3-1 lead against Chinese Taipei.

It was an intense battle from the start with Somdev got the first chance of a break point.

Lu saved the first two break points in the fourth game but Somdev kept hitting a stunning double-handed backhand winner to break Lu, taking a 3-1 lead.

Lu made many unforced errors, which cost him the game.

Malmo, Sweden/Tel Aviv  - Israeli tennis player Andy Ram has described the protests against his country at the Davis Cup in Sweden as a "sad moment for tennis, sport and for Israel," in an article published by Israel's daily Yediot Achronot on Sunday.

Ram wrote that he had never encountered such hatred and mixing of sport and politics in his entire sporting career.

"These events have changed my view of Sweden completely and I doubt whether I even want to return here," he said.

Birmingham, Alabama  - US doubles twins Bob and Mike Bryan combined for their record-setting 15th victory in the Davis Cup to seize a 2-1 lead over Switzerland on Saturday.

The 6-3, 6-4, 3-6, 7-6 (7-2) defeat of Swiss Stan Wawrinka and Yves Allegro leaves the 32-time champion hosts within one win from a place in the quarter-finals next July in Croatia.

Andy Roddick will take on Wawrinka on Sunday to try to ice the tie.

The Bryans have become the most successful doubles paring in American Davis history after compiling a 15-2 record.