TOKYO -- There are always winners and losers in sports, but tennis is particularly unforgiving in that the performance gap is directly reflected in players' incomes.
Lower-ranked players struggle as pandemic suspends the season

Naomi Osaka earned $37.4 million over the past year, according to Forbes -- a record for a female athlete -- thanks to lucrative sponsorships. © Reuters
TOKYO -- There are always winners and losers in sports, but tennis is particularly unforgiving in that the performance gap is directly reflected in players' incomes.