Tennis

Former top-five performer Ivan Ljubicic upset world No. 2 Novak Djokovic in Wednesday's fourth-round action at the $4.5 million BNP Paribas Open.

John Lloyd has stepped down at Britain's Davis Cup captain.

Capable Pole Agnieszka Radwanska upended Russian star Elena Dementieva on Wednesday to reach the semifinals at the $4.5 million BNP Paribas Open.

World No. 1 Roger Federer was upset by 27th-seeded Marcos Baghdatis in third-round action, while fourth-seeded Andy Murray and seventh-seeded Andy Roddick moved into the fourth round Tuesday at the $4.5 million BNP Paribas Open.

Second seed Caroline Wozniacki of Denmark, fourth-seeded Russian star Elena Dementieva and No. 6 seed Jelena Jankovic of Serbia were each victorious in fourth-round play Tuesday at the $4.5 million BNP Paribas Open.

Fourth-seeded Russian star Elena Dementieva was an easy fourth-round winner Tuesday at the $4.5 million BNP Paribas Open.

Sixth-seeded Jelena Jankovic snuck into the fourth round, while third-seeded Victoria Azarenka and 14th-seeded Kim Clijsters were third-round losers Monday at the $4.5 million BNP Paribas Open tennis event.

World No. 2 Novak Djokovic barely survived his third-round match Monday at the $4.5 million BNP Paribas Open, an ATP World Tour Masters event, while world No. 3 Rafael Nadal cruised in two sets against Croatia's Mario Ancic.

World No. 2 Novak Djokovic barely survived his third-round match Monday at the $4.5 million BNP Paribas Open, an ATP World Tour Masters event.

Second seed Caroline Wozniacki of Denmark rolled into the fourth round while former world No. 1 Maria Sharapova was a third-round loser Sunday at the $4.5 million BNP Paribas Open tennis event.