The Spaniard is suffering from a stomach bug following his back injury.
The injury Rafael Nadal suffered in the Australia Open could keep him out of future tournaments.
Britain held off the U.S. to reach the Davis Cup quarters for the first time since 1986.
Rafael Nadal suffered from back problems against Stanislas Wawrinka at the final of the 2014 Australian Open.
More slams and Hall of Fame await Aussie Open winner Li Na, says Chris Evert.
Stanislas Wawrinka beat the Spaniard for the first time in 13 tries.
Rafael Nadal will be looking for his 14th Grand Slam title when he takes on first-time major finalist Stanislas Wawrinka in the Australian Open final.
Rafael Nadal now has a chance to the first man to ever win all four majors twice a minimum of two times in a career in the Open Era.
Rafael Nadal defeated Roger Federer in the Australian Open semifinals in straight sets and will go onto meet Stanislas Wawrinka for the title.
More than just a place in the Australian Open final could well be on the line when Rafael Nadal and Roger Federer meet in Melbourne on Friday.
Stanislas Wawrinka followed his victory over Novak Djokovic with a win over Tomas Berdych.
Roger Federer held off Andy Murray in four sets to set up a semifinal match with Rafael Nadal.
Rafael Nadal will be looking to capitalize on Novak Djokovic’s exit from the Australian Open when he takes on Grigor Dimitrov in the quarterfinals.
The heavily favored Serbian was upset in five sets on Tuesday in the quarterfinals.
The No. 3 seed feel to the Slovakian star following Serena Williams's early exit.
Serena Williams fell to Ana Ivanovic on Sunday in the Australian Open.
Novak Djokovic, who continues to look like the best favorite to win the Aussie Open, dominated with his serve while thumping Fabio Fognini 6-3 6-0 6-2.
Winning every set he’s played thus far, the Spaniard won 6-1, 6-2, 6-3 after shaking off an early in injury scare in the second set. Up 2-1 in the second, Rafael Nadal began to limp and favored his right foot as he crossed to the changeover chair.
The Russian star was tested in the second set, but held off Alize Corner to move on the Round of 16.
Williams blasted her way into the fourth round in 100-degree heat.
Rafael Nadal defeated Thanasi Kokkinakis to advance to the third round.
Rafael Nadal’s second round match is one of several highlights on the fourth day of the Australian Open in Melbourne.
The tournament favorites advanced to the third round as temperatures in Melbourne peaked at 108 degrees.
Notable players advanced at the Australian Open in temperatures that exceeded 100 degree Fahrenheit.
The top seeds won in straight sets in the opening round of the 2014 Australian Open.
The veteran Swiss star is a dark horse to win the 2014 Australian Open.
Based off past battles, Rafael Nadal has the edge with a combined 86-41 record over his top seeded foes.
In a battle of two veteran tennis stars, Lleyton Hewitt got the better of Roger Federer in Brisbane.
The veteran tennis player has hopes of returning to his winning ways in 2014.
The Belarussian has a 3-13 record against Serena Williams, but was 2-2 against the American in 2013.