Who was born first, Kristina Mladenovic or Lleyton Hewitt?
Kristina Mladenovic Kristina "Kiki" Mladenovic (Serbian: Кристина Младеновић, "Kristina Mladenović", ] ; born 14 May 1993) is a French professional tennis player.
Denis Zivkovic Denis Zivkovic (born September 30, 1987) is an American professional tennis player and competes mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles.