Originally Posted by n1_and_uh_noone
From Wikipedia: JH 37-15 career win-loss on carpet (71%)
VW 50-17 career win-loss on carpet (75%)
so not a massive difference. Of course, I am not sure indoors and carpet are equivalent here (I remember Venus lost to Jankovic in 2008 Stuttgart but she is shown as not having played indoors in 2008.
Also, WTA Championships in 2008 were outdoors.
I didn't know they were outdoors in 2008. Thanks.