Even opponents nearly half his age - and in front of a hostile crowd. Djokovic came back from a set down for a 5-7 7-5 6-1 6-4 victory over 22-year-old home player Giovanni Mpetshi Perricard in the first round of the French Open on Sunday

He clocked 13 minute 03.93 seconds to better his own outdoor national record of 13:11.82 on Saturday.