In international competitions, a match is the best of five sets.

国际比赛，采用五局三胜制。

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The men's double final has been shortened from best of five sets to best of three.

男子双打决赛已从五盘三胜制改为三盘两胜制。

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Top 16 use card to separate into 8 groups, the 8 winners are Top 8(Best of five sets). 8 tables;

“16强”抽扑克牌分组、“五局三胜”制，决出“8强”，预计使用球桌8张，时间1h；

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He played some of his best tennis and extended Djokovic to five sets in the semifinals.

WSJ: Who Can Upset Tennis's Untouchables?

But with more than 2, 000 acts in town playing numerous sets over the course of five days, it's best for musicians to think of SXSW instead as a gathering of peers who have already demonstrated their quality and are willing to measure success in increments.

WSJ: The New Promise of South by Southwest | By Jim Fusilli