The 2017 season was the renaissance era producing the revivals of Rafael Nadal and Roger Federer.
The sport has evolved significantly since Nadal turned pro 17 years ago.
More: Nadal Runs Roughshod Over Dzumhur
The world No. 1 says grinding rallies are giving way to volatile shotmakers.
Welcome to tennis' "crazy" era.
"In my opinion, there is less work inside the point," Nadal told the media after his third-round thrashing of Damir Dzumhur. "Before the players was trying to play one ball there, one ball there to finish the point. Since couple of years ago, I feel that the tour became little bit more crazy in that aspect, no?
"People are going for the point quicker than before. The players are returning faster than before, going for the winners since the return. From the baseline, at the minimum opportunity, peoples goes for the shot, no?
"We used to wait for the right ball to go for the winner. Now you go for the winner even in not very good positions."
Photo credit: Mark Peterson/Corleve