Djokovic wint met moeite van thuisfavoriet Royer op Roland Garros, Zverev amper getest

Djokovic digs in to reach French Open last 32

Novak Djokovic continued his latest tilt at a record-breaking 25th Grand Slam title with a four-set victory over France's Valentin Royer to reach the third round of the French Open on Wednesday.