他有17次双发失误。

He served 17 double faults.

《柯林斯英汉双解大词典》

如果他没有在抢七中双发失误而失掉第三盘？

What if he had not produced a double fault to lose the third set tiebreak?

youdao

在第九局四比四的比分的情况下，他双发四次失误。

In the ninth game, with the score 4-4, he hit four double faults.

youdao

在第九局四比四的比分的情况下，他双发四次失误。

In the ninth game, with the score 4-4, he hit four double faults.

youdao