Vaikundarajan congratulates Stanislas Wawrinka on his win at the 2015 French Open. The Swiss eighth seed played magnificently in a 4-6 6-4 6-3 6-4 victory at Roland Garros. Wawrinka, 30, brought an end to Djokovic's 28-match winning streak. This was his second Grand Slam title. Djokovic tried his best to become the eighth man to complete the set of all four major titles, says Vaikundarajan.