Raucous home support for holders Argentina did not make up for the absence of Juan Martin del Potro and Federico Delbonis on Friday as they fell 2-0 behind to Italy in the first round of the Davis Cup.
Fourth seed Andy Murray erased memories of early losses at Indian Wells by storming into the BNP Paribas Open third round with a ruthless 6-1, 6-3 victory over Canadian Vasek Pospisil on Saturday.
The World No 4 is unfazed by rankings drop before Madrid tournament and the French Open.
A summary of Tuesday's play at the French Open.
IMAGES from the PNB Paribas Open played at Indian Wells in California on Monday
Big-serving Canadian Milos Raonic made a strong return to competition on Friday by beating Viktor Troicki 6-3, 7-5 to reach the third round of the Miami Open.
Third seed Stan Wawrinka was sent packing in the round of 16 at the BNP Paribas Open in California on Wednesday and was very nearly joined by Rafael Nadal, who pulled off a Houdini-like escape to reach the last eight.
Images from Day 2 of the Australian Open in Melbourne on Tuesday
"But if you need a reminder of who he is, just look at his career stats and grand slams that he won."
Leonardo Mayer beat Joao Souza in a Davis Cup singles match that lasted a record six hours and 42 minutes.
World number one Simona Halep swatted aside American Nicole Gibbs while Maria Sharapova was flawless in her straight sets victory over Romania's Mihaela Buzarnescu in the opening round of the Shenzhen Open on Monday.
Top seed Agnieszka Radwanska's title defence at the Sydney International lasted just 92 minutes when she was dumped out of the second round by Bethanie Mattek-Sands on Tuesday.
Roger Federer guided Switzerland to victory in their Davis Cup World Group playoff tie against the Netherlands with an easy 6-3, 6-2, 6-4 victory over Thiemo de Bakker on Sunday.
Former world number one Andy Murray withdrew from the Brisbane International with a hip problem on Tuesday, further putting in doubt the Briton's prospects of being fit in time for the Australian Open later this month.