The ex-first WTA's player Venus Williams has reached the top of ranking on tennis player with the strongest serve.
During the Wimbledon 2008, when she took the victory, she crashed her opponents with serves at 129 miles per hour. The German Anna Groenefield showed a little worse serve128 miles. The third strongest serve was estimated to be Serena William's, with 125 miles per hour.
Russia WTA players didn't got in the top three list, but they showed good results as well - Ekaterina Bychkova and Nadejda Petrova, showing 121.2 miles per hour.