Grigor Dimitrov claimed the biggest victory of his career as he defeated No 1 Novak Djokovic in the second round of the Madrid Masters.

The 21-year-old Bulgarian came through a memorable three-hour battle 7-6, 6-7, 6-3.

Longines congratulates Grigor Dimitrov, member of the Longines Rising Tennis Stars and wishes him every success in the Madrid Masters!