A new type of hardcourt introduced into the Australian Open in 2008. Plexicushion replacing Rebound Ace.It so obvious seeing 2007 AO Federer/2007 USO Federer to 2008 AO Federer. Drastic difference, He was sluggish against Tipsarevic. Should have lost that match.
It wasn't that bad. Federer looked good for most of the 2008 clay season, aside from some matches like against Gremelmayr and Ramirez Hidalgo, the loss to Stepanek in Rome, but Federer was in good positions against Nadal at Monte Carlo and Hamburg. Admittedly, he got marmalized by Nadal in the French Open final. Federer won Halle and got to the Wimbledon final (11 straight matches on grass) without dropping a set before Nadal beat him in 5 sets in the final.Poor IW and Miami 2008, he only looked good come Wimbledon 2008+.
It like the year Djokovic had in 2017, playing with a bad elbow. Losing to Cecchinato and Istomin.
2007 Federer was losing to Canas twice and Volandri.