Originally Posted by timnz
Three out of four were on grass which made it harder because there was so many grass court specialists. Besides, it has been said many times - in 1969 he won the top hard court tournaments, indoor tournaments that year as well as winning the Grand Slam. So he was the total surface player in 1969 - he won everything that counted that year on all surfaces. Not his fault the slams weren't spread like they are now.
Laver won wood majors which Fed never did and in 69 also took the biggest hc event which was SA OPEN
Plus the three gc events were even more different bounces than today where there is almost no difference