对手没碰到球才能叫ACE

【 在 Litmanen 的大作中提到: 】
: 标  题: ACE和发球制胜分(Service Winner)有什么区别啊？
: 发信站: 水木社区 (Wed Sep  7 20:40:25 2022), 站内
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: ※ 来源:·水木社区 mysmth.net·[FROM: 111.192.97.*]
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From wiki:

Ace: Serve where the tennis ball lands inside the service box and is not touched by the receiver; thus, a shot that is both a serve and a winner is an ace. Aces are usually powerful and generally land on or near one of the corners at the back of the service box. Initially, the term was used to indicate the scoring of a point.

Winner: A shot that is not reached by the opponent and wins the point; sometimes also a serve that is reached but not returned into the court.

Ace没啥争议，就是接发球方没有碰到入区球。
Winner定义确实有点含糊，我见到的多是指“相持球”中如果对手没有碰到球。及“发球”中对方碰到球但打丢了的，至少解说基本上都是这么称呼的。

【 在 Litmanen 的大作中提到: 】
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发球制胜分和下网出界有啥区别
【 在 CORDIC 的大作中提到: 】
: From wiki:
: Ace: Serve where the tennis ball lands inside the service box and is not touched by the receiver; thus, a shot that is both a serve and a winner is an ace. Aces are usually powerful and generally land on or near one of the corners at the back of the servi
: ce box. Initially, the term was used to indicate the scoring of a point.
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FROM 223.70.132.*

好像不是的，不是所有直得都是service winner
【 在 CORDIC 的大作中提到: 】
: 下网出界是发球方，还是接球方？
: 如果发球方：一发重发，二发算双误。 接球方下网出界算对方serve winner。
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FROM 223.70.132.*

有的，service winner会计入到winner里面，ACE也会计入到winner里面
如果接发球下网或出界就不会计入到winner里面
单独的统计是没有的，都会算在winner里面
【 在 kyen 的大作中提到: 】
: 网球的技术统计没有Service winner这项，如果硬要说，那么意思基本一样的。接发球碰到球但失误的一般是叫unreturned Service.
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FROM 223.70.132.*