Originally Posted by NatF
The US Open does use quicker balls I think;
It's Bleacher Report so a grain of salt is needed. But I think the number of aces is pretty convincing. Plus you have Murray and Nadal's testomony's. If you watch the Australian Open I think you can really see how slow it is. Hard to finish points.
I used to feel that only Cincinnati is faster. AO is very slow. I wonder how it can be faster than Wimbledon, really confusing article