From Longman Dictionary of Contemporary Englishsinglessingles[uncountable]DL a game, especially in tennis, in which one person plays on their own against another person I prefer playing singles. Who won the women’s singles? → doubles at double2(3) → single
Examples from the Corpus
playing singles• My mind was the furthest away it could be to playing singles, so I pulled out of a couple of tournaments.singlessingles[plural] people who are not married and are not involved in a romantic relationship with anyone The show is especially popular among young singles. a singles night at the club → single 