singles
n. uncountablen. a game of tennis or a similar sport where only one person plays against one other person. It is the opposite of doubles, where you have a partner.
n. a match or competition in sports such as tennis, badminton, or squash involving only two individual players. Often used in the plural to refer to the category of the competition.
She won the women's singles title this year.
After years of playing doubles with his brother, he decided to focus on his career in singles.
The tournament schedule prioritises the men's and women's singles finals, as these matches typically draw the largest television audiences and highest ticket prices.
Usually functions as an uncountable noun when referring to the sport category, though individual matches are called 'singles matches'.