Originally Posted by uncooling
3. Raonic has put Feder into trouble more than Isner has with his serve (look at the match between Fed and Raonic in Madrid, Halle, and Indian Wells. That's three different surfaces clay, grass, and hard court), so I would say Raonic's serve is more effective especially against top players like Federer.
Great post. EXCEPT for the fact that Isner kicked his @ss on CLAY in the Davis Cup. Raonic, still looking for his 1st win against the Maestro. Fail.