Most remarkably, Mac didn't commit his first unforced error until midway through the second set - and that on a very questionable line call. He committed only four unforced errors in the entire match, a record low for any Grand Slam final since they began recording match statistics.
http://www.baseball-statistics.com/Greats/Century/tennis.htm
http://www.baseball-statistics.com/Greats/Century/tennis.htm
