Iga Swiatek outplays Ons Jabeur and wins her first U.S. Open : NPR
The Fastest Tennis Serves Ever - Perfect Tennis
The Fastest Tennis Serves Ever - Perfect Tennis
Reilly Opelka, the 'Servebot,' Is a Threat at the US Open
Serena Williams of the U.S. serve speed of 207 km per hour (129 mph) is seen behind Ayumi Morita of Japan during their women's singles match at the Australian Open tennis tournament
Serve Doctor Presents: M.P.H. - A.P. Belt Tennis Training