<page_title> Fastest recorded tennis serves </page_title> <section_title> Men </section_title> <table> <cell> Australia Sam Groth <col_header> Player </col_header> </cell> <cell> 263.4 km/h (163.7 mph) <col_header> Speed </col_header> </cell> <cell> 2012 Busan Open Challenger Tennis <col_header> Event </col_header> </cell> </table>
The speed of 263.4 km/h (163.7 mph) was recorded by Australian Sam Groth at Challenger event in Busan, in 2012.