Summary
World No. 1 Roger Federer finished off Federico Delbonis in a rain-disrupted match on Sunday to reach the third round at Indian Wells as five-time champion Novak Djokovic was toppled.
Federer hit five aces and won 74 percent of his first serve points in the match which took a total of one hour and 41 minutes over the two days.
Federer and 10th seed Djokovic both came into the tournament seeking to become the first six-time winner of the event.
Djokovic is making a cautious return to the ATP Tour after stopping his 2017 season following Wimbledon due to a right elbow injury.
Djokovic had four aces but served poorly overall, making four double faults.
Federer said he understands well how even a champion like Djokovic could be struggling to find his game so soon after having surgery.
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