Madison Keys delighted much of the tennis world with her Australian Open triumph – and made history in the process. Just ...

It's been more than a decade since the fastest tennis serve and a little-known Australia still holds the record.

While that one didn’t technically count and the WTA doesn’t actually keep official serve speed rankings, Sabalenka’s serve was notably just a few miles ahead of Sabine Lisicki’s 210.8 km/h ...