Superb Bartoli dumps out Jankovic

AUSTRALIAN OPEN Venue: Melbourne Park Date: 19 January-1 FebruaryCoverage: BBC Red Button, BBC One & Two (including all Andy Murray matches), Radio 5 Live sports extra, BBC Sport website (Red Button coverage streamed on website throughout fortnight)

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Jankovic struggled with her serve in the Melbourne sun

Top seed Jelena Jankovic crashed out of the Australian Open after a stunning performance from French 16th seed Marion Bartoli, who won 6-1 6-4.

Bartoli took the first five games of the match to leave the Serbian reeling.

Jankovic looked dismally out of sorts despite a brief resurgence in the second set, and Bartoli reached the quarter-finals with surprising ease.

Dinara Safina plays Alize Cornet later in Sunday's fourth round, before Jelena Dokic meets Alisa Kleybanova.

Bartoli showed incredible movement and determination to destroy Jankovic's chances of a second appearance in the Australian Open's last eight.

The French 24-year-old has never previously made it past the second round of the tournament, but she feasted on Jankovic's uncertain second serve in a one-sided encounter on the Rod Laver Arena.

Bartoli broke five times as the Serbian, 23, battled both her own inconsistency and the glare of the Melbourne sun.

I tried not to think about Jelena being the world number one for the whole match Marion Bartoli

Jankovic's second set was a vast improvement on the first, but her game continued to exhibit unforgivable unforced errors.

When Bartoli eventually broke again in a testing ninth game of the second set, the last vestiges of Jankovic's resistance crumbled.

"I tried not to think about Jelena being the world number one for the whole match," said Bartoli.

"I think I just played amazingly today and I'm so happy to put on a good performance.

"I knew Jelena would fight and the last game of the match was really tough for me, but I tried to play my game and I served so well in the last game."