Maths Wimbledon Matches Problem

Maths Wimbledon Matches Problem - 16 October

In 2012 Men's Wimbledon , 80 tennis player from across the world have come to participate.
As we know its a knock-out tournament , each player is eliminated as soon as he looses a match.

The organizer of the tournament decides to count the minimum number of required matches.

Can you help them out ?

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