I found this list of the prize money earned in 2006. Not sure how accurate it is but looks legit. For no particular reason I found it interesting. Personally I am not a big follower of pro tennis, while I do enjoy watching a match her and there. Is it too late to go pro? Haha.

Men

Federer, Roger $8,343,885
Nadal, Rafael $3,746,360
Roddick, Andy $2,214,890
Davydenko, Nikolay $2,026,845
Blake, James $1,894,295
Ljubicic, Ivan $1,713,167
Robredo, Tommy $1,454,675
Nalbandian, David $1,420,040
Ancic, Mario $1,276,265
Bjorkman, Jonas $1,221,485
Baghdatis, Marcos $1,155,495
Mirnyi, Max $1,146,265
Gonzalez, Fernando $1,124,630
Berdych, Tomas $1,023,135

Women

Henin-Hardenne, Justine $4,204,810
Sharapova, Maria $3,799,501
Mauresmo, Amelie $3,469,727
Kuznetsova, Svetlana $2,018,304
Petrova, Nadia $1,559,514
Clijsters, Kim $1,463,492
Dementieva, Elena $1,429,005
Hingis, Martina $1,159,537

Derrik Dyka, Minneapolis tennis player (learning!), and realtor