‘Novak Djokovic: The Wolf in Winter’ Doc Director Unpacks the Tennis Champ’s Resilience and His Retirement

Novak Djokovic is, by the numbers, one of the best tennis players in the modern era. He has spent the most weeks — 428 — ranked as the world’s No. 1 player. He holds a record 24 Grand Slam singles titles, and he also has an Olympic gold medal. Djokovic emerged onto the tennis scene…