A Point That Lasted 2 Hours 12 Minutes: Prague 1936, the Match That Rewrote the Rules
At the 1936 World Championships, a single rally ran 2 hours 12 minutes and more than 12,000 strokes, and the umpire asked to be replaced after injuring his neck from turning it so often. The absurd match produced the time limit and the expedite system still in force today.