Switzerland's Stan Wawrinka crashed out of the Italian Open in the first round on Tuesday after a humiliating defeat to 18-year-old Italian Lorenzo Musetti.
Former US Open champion Stan Wawrinka is the latest in the list of players who have decided to skip the Grand Slam, joining the likes of Rafael Nadal and Ashleigh Barty.
World tennis has been at a standstill since the beginning of March and will not resume until mid-July at the earliest following the postponement of Roland Garros and the cancellation of Wimbledon.
Alexander Zverev stormed into his first Grand Slam semi-final, rallying from a set down to shatter the dreams of Stan Wawrinka at Australian Open.
Australian Open: Stan Wawrinka came from behind to beat World No. 4 Daniil Medvedev 6-2, 2-6, 4-6, 7-6 (7/2), 6-2 in five intense sets.
Stan Wawrinka, a three-time major winner, is top seed in Doha which boasts a respectable $1.4 million prize fund.
Paris Masters: Rafael Nadal produced an impressive display to take his career head-to-head record against three-time Grand Slam champion Stan Wawrinka to 19-3.
Top seed Roger Federer, chasing a 10th title at his hometown event, will receive a walkover into Saturday's semi-finals.
Roger Federer, who has won a doubles gold alongside fellow Swiss Stan Wawrinka, is still waiting to get his hands on an Olympic singles gold.
Novak Djokovic received treatment before the start of the third set against Stan Wawrinka but soon threw in the towel, the 6th time he has retired at a Grand Slam tournament.
World No.1 Novak Djokovic was trailing 4-6, 5-7, 1-2 when he quit, having received treatment on his troublesome left shoulder before the start.
Novak Djokovic was captured on video having a talk with a fan during his pre-match practice session.
Novak Djokovic will meet Stan Wawrinka, the man who beat him in the US Open final three years ago, for a place in the last eight.
Rafael Nadal remains well behind world number one Novak Djokovic in the ATP rankings despite winning a record 12th French Open title.
Rafael Nadal is chasing a 12th French Open title while 2009 champion Roger Federer is playing in the tournament for the first time since 2015.
Roger Federer admitted he struggled to get past the talented Gael Monfils.
Roger Federer booked a round of 32 match with Serbian Filip Krajinovic who surprised three-time Grand Slam winner Stan Wawrinka.
Roger Federer, who has won their last five encounters, including the 2017 Indian Wells final, said an in-form Stan Wawrinka is an opponent to be wary of.