Melbourne, Jan. 26 : Controversy surfaced at the Australian Open here on Sunday when tennis player Tomas Berdych questioned the accuracy of the Hawk-Eye electronic line-calling system at a vital stage of his quarter-final match against defending champion Roger Federer.

The system which simulates ball flight to determine close calls was unable to offer an opinion on a line call, leading to an angry Berdych questioning the chair umpire over the apparent failure of the system to show a simulation of a ball called out early in the fourth set, reports The Australian.

Melbourne, Jan. 25 : World No. 1 Jelena Jankovic was bundled out of the Australian Open on Sunday by Marion Bartoli of France.

Jankovic, a losing semi-finalist at Melbourne Park last year who is still chasing her first grand slam title, was beaten 6-1 6-4 in one hour and 22 minutes by the No. 16 seed in the fourth round.

Bartoli''s career highlight to date was reaching the final of Wimbledon in 2007, before eventually going down to Venus Williams.

Melbourne, Jan 24 : Jelena Dokic thanked the Australian public for their support, and admitted that she was still haunted by the events of seven years ago when she walked out on her adopted country, at the behest of her father Damir Dokic, while at the height of her powers and ranked No. 4 in the world.

Dokic prepares to climb another step from oblivion to the top of her sport; she could be confronted by her worst nightmare - her father Damir, The Courier Mail reported.

Melbourne  - The Australian Open was tarnished Friday by a third straight year of minor fan violence, with a woman injured and around 30 people ejected from the grounds, police reported.

Longstanding Balkan tensions which have scarred previous editions boiled over on a hot day, with rival Serbian and Bosnian fans hurling garden chairs at each other after a match won by Serbian champion Novak Djokovic over Bosnian-American Amer Delic 6-2, 4-6, 6-3, 7-6 (7-4).

Melbourne, jan. 23 : British tennis star Andy Murray has blasted rivals Roger Federer and Novak Djokovic and says the moaning pair are only putting pressure on themselves.

The Sun quoted Murray as saying that Federer keeps whinging about being continually asked about Murray's chances of winning the Australian Open.

Murray said: "A few players disagree that I have been made the favourite. There have been some quite big contradictions from both of them. By saying they should be the favourites, they are putting more pressure on themselves."

Melbourne  - Balkan passions played out on court while fans remained restrained as Serb Novak Djokovic posted a 6-2, 4-6, 6-3, 7-6 (7-4) win Friday over Bosnian-American Amer Delic to advance at the Australian Open.

While police reported that a handful of unidentified troublemakers were turfed out the gates of Melbourne Park for scuffles and chair throwing in the beer garden park, the atmosphere for the heated third-round match could only be classified as a low simmer.