Nadal secured his 22nd Grand Slam title on Sunday at Roland Garros. No man has won more Grand Slam titles than Nadal.
A ruling on rankings is "affecting my mentality," the former No. 1 tennis star said after losing to Amanda Anisimova, 7-5, 6-4.
Naomi Osaka is finding support from fellow athletes after withdrawing from the French Open in order to protect her mental health.
Soccer, figure skating and other sports have banned Russian athletes following the Vladimir Putin-ordered invasion of Ukraine.
A new French law says anyone with proof they tested positive within the previous six months is exempt from having to show a vaccine pass.
The tennis star withdrew from the French Open after shunning press conferences to protect her mental health.
Williams fell way behind and could not put together a comeback against a much younger and less-experienced opponent.
"It's heartbreaking," the tennis star said.
Naomi Osaka is just one of many examples where compassion evaporates the second someone publicly discusses their well-being.
The tennis officials' statement followed Osaka's stunning withdrawal from the French Open a day earlier.