ATP Earth Tour Prize Money Leaders at the time of May 13, 2013.

[1] Novak Djokovic (SRB) – $3, 951, 130[2] Rafael Nadal (ESP) – $3, 087, 929[3] Andy Murray (GBR) – $2, 338, 140[4] Donald Ferrer (ESP) – $1, 413, 272[5] Juan Martin Del Potro (ARG) – $1, 151, 274