Matej Dodig and Saba Purtseladze meet in the quarterfinal at Hamburg on Friday. Matej Dodig has won 7 of the last 10. Saba Purtseladze has won 3 of the last 10.
Matej Dodig simply rates much higher on clay, and our number follows from it. Dodig comes in off a compressed schedule. Purtseladze needs several things to break right at once; the percentages say they usually don't.