federer would have more RGs for sure.
his big competition at RG would have been Guga. I think he would have lost to him a couple more times, but not the same extent as he lost to Nadal... Rafa is just such a bad match-up.
Disclaimer: I'm NOT a coach...
Real tennis: https://www.youtube.com/watch?v=yDqnkLJ9BtM