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Tennis news - WATCH: Alexander Zverev stops point after ball boy drops ball in Federer match
Le Buzz
It was pretty unfortunate for the young ball boy.
In one of the biggest matches of the year, he dropped a ball in the middle of a point.
It meant Roger Federer and Alexander Zverev, who had stopped playing after seeing the incident, had to replay a crucial tiebreak point in their semi-final at the ATP Finals in London.
Zverev went on to win a famous match in straight sets... and hopefully the ball boy was not too upset - these things happen!
Watch all the drama below.
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