![Ivo Karlovic (*1979 / CRO) - 1st service 3.0 during a practice in the old Grandstand - 2016 US.Open - YouTube Ivo Karlovic (*1979 / CRO) - 1st service 3.0 during a practice in the old Grandstand - 2016 US.Open - YouTube](https://i.ytimg.com/vi/H-q678aYJRI/maxresdefault.jpg)
Ivo Karlovic (*1979 / CRO) - 1st service 3.0 during a practice in the old Grandstand - 2016 US.Open - YouTube
![He has served more aces than any other tennis player in history. He is the oldest player this century to win a match on the ATP Tour. He came through qualifying to He has served more aces than any other tennis player in history. He is the oldest player this century to win a match on the ATP Tour. He came through qualifying to](https://i.redd.it/uhalri1djjk71.jpg)
He has served more aces than any other tennis player in history. He is the oldest player this century to win a match on the ATP Tour. He came through qualifying to
![No. 5 Andrey Rublev makes short work of Ivo Karlovic - Official Site of the 2022 US Open Tennis Championships - A USTA Event No. 5 Andrey Rublev makes short work of Ivo Karlovic - Official Site of the 2022 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_20210830_USO_Day1_PS6_0020.jpg)