Alex Bogdanovic battled for almost two hours but he could not avoid defeat against Agustin Calleri who gave Argentina a 2-0 lead against Great Britain in the Davis Cup World Group first-round tie.

Roger Federer rolled into the quarter-finals of the 1.2 million Swiss Indoors tournament Thursday with a 6-1 6-4 victory over unseeded Argentinian Juan Martin Del Potro.

Roger Federer booked his place in the third round of the Madrid Masters tonight, but the world number one was made to work for his victory by qualifier Robby Ginepri.

Spaniards Rafael Nadal, David Ferrer and Carlos Moya all progressed to the round of 16 at the US Open on Sunday.

Third seed and last year's runner-up Lleyton Hewitt will begin his quest for the Australian Open title with a first round match against Czech Robin Vik.

Andy Murray survived a scare in his first match of the year before booking his place in round two of the Adelaide International.

Andy Roddick battled back from the verge of defeat to beat last year’s finalist Carlos Moya and book a semi-final spot in the NASDAQ-100 Open in Key Biscayne.

Fourth seed Gustavo Kuerten crashed out in the first round of the Argentina Open in Buenos Aires two days after losing a final in Chile.

Second seed Roger Federer and home favourite Lleyton Hewitt remain on collision course at the Australian Open, but for them to meet in the last 16 both will have to overcome teenagers with bright futures.

GREG RUSEDSKI last night claimed he was being “singled out” by the ATP after testing positive for nandrolone.

Andy Roddick received a 21st birthday present a day early as he defeated Ivan Ljubicic 6-3 6-7 (4/7) 6-3 7-6 (10/8) in the second round of the US Open at Flushing Meadows.

TIM HENMAN believes he can only get better this season despite suffering his third competitive singles defeat in four matches.

The draw has been made for Wimbledon - and men's top seed Lleyton Hewitt will face Jonas Bjorkman in the first round of Wimbledon.

Andy Roddick completed the second day's play at the Australian Open with a hard-fought win over Mariano Zabaleta.