Hall of Famer recalls radical impact on his career.
Agent Tony Godsick suggests 2020 could be Roger Federer's farewell season.
The magical Monfils was up to his usual tricks on Tuesday in Beijing.
The Japanese No.1 joins Simona Halep and Angelique Kerber in the field.
The Romanian will meet with doctors over the next few days to formulate a plan.
The three-time Grand Slam doubles championship is expecting.
US Open finalist offers comeback advice.
