Australia's Jarmila Groth is through to the semi-finals of the Istanbul Cup with a 7-5, 6-2 victory over defending champion Vera Dushevina.

Australian Jarmila Groth has defeated Anna Lapushchenkova of Russia 6-2, 6-3 in the second round of the Istanbul Cup.

World number four Andy Murray is hoping the sacking of coach Miles Maclagan will galvanise his game and help him reach his goal of winning a grand slam and achieving the world number one ranking.

Australia's Samantha Stosur has made a successful start to her American hard court campaign, downing American teenager Christina McHale in straight sets at the Bank of West Classic in Stanford.

Australian Anastasia Rodionova has upset Wimbledon semi-finalist Tsvetana Pironkova to reach the quarter-finals of the Istanbul Cup.

Having made the stunning transformation from hunter to the hunted, Samantha Stosur opens her American hardcourt campaign on Thursday as top seed at a premier WTA event for the very first time.

American Mardy Fish, the hottest player on the ATP Tour, has withdrawn from this week's LA Open because of fatigue and an ankle injury.

World number four Andy Murray has sacked his coach Miles Maclagan, his management company 19 Entertainment said.

Australians Jarmila Groth and Anastasia Rodionova have continued their fine form with first-round victories at the Istanbul Cup.

Australian Peter Luczak has been eliminated in the first round of the ATP Gstaad Open in Switzerland.

Roger Federer has hooked up with Pete Sampras's former coach Paul Annacone for a "test period" in a bid to rediscover his winning touch.

Big-serving left-hander Carsten Ball is close to becoming the third Australian man inside the world top 100 after a breakthrough tournament victory.

Mardy Fish won his second straight title as he outlasted fellow American John Isner in brutal heat, claiming the trophy 4-6, 6-4, 7-6 (7-4) at the Atlanta Tennis Championships.

Andy Roddick had to battle a slow start before bludgeoning his way into the semi-finals of the Atlanta Tennis Championships over the opponent he beat for the title in 2001.

Samantha Stosur has joined fellow Australian tennis ace Lleyton Hewitt in opting out of this year's Commonwealth Games in India.

Third seed Lleyton Hewitt has fallen victim to little-known Slovak Lukas Lacko in the second round of the Atlanta Tennis Championships in Georgia.

World number one Rafael Nadal will play at the Thailand Open in September, raising hopes of a boost to the country's tourism industry in the wake of deadly unrest.

Australian tennis player Anastasia Rodionova has been eliminated from the the WTA tournament in Slovenia.

Lleyton Hewitt is back into his comfort zone, seeded third at this week's Atlanta Tennis Championships as he makes his start on hard court a full six weeks before the US Open.

Kaia Kanepi has defeated Italian top seed Flavia Pennetta 6-4, 6-3 to win the Palermo clay-court tournament and become the first Estonian to win a WTA title.

Seventh-seeded Agnes Szavay has won her fifth career WTA title by beating Barbora Zahlavova Strycova 6-2, 1-6, 6-2 in the Prague Open final.

Spain's world number 30 Albert Montanes has won his second ATP title of the season, with French opponent Gael Monfils forced to retire injured from the Stuttgart final.

Spain's Nicolas Almagro has come through a tough three-setter to beat top seed and defending champion Robin Soderling in the final of the clay-court ATP Swedish Open.

Top seed Robin Soderling battled back from a set down to beat Spain's David Ferrer in the Baastad ATP clay-court tournament and set up a final clash with Nicolas Almagro.