Tennis. a unit of the match, consisting of a gaggle of not much less than six video games having a margin of no less than two game titles among the winner and loser. B?n có th? ch?n th?c ??n s?n có ho?c ??a ra yêu c?u riêng, c?a ti?m s? t? v?n k? l??ng và ?i?u ch?