Science says that women will never be able to serve as fast as a man. Well maybe they can't but some tennis players in the WTA sure can serve. Let's see who's on the list of the fastest servers. 4. Serena Williams (USA: 128.3 mph 3. Venus Williams (USA): 129 mph 2. Sabine Lisicki (GER): 131.0 mph 1. Georgina Garcia Pérez (SPA): 136.7 mph The average speed serve for a woman is 126 mph. Clearly these women aren't afraid of speed!