The 100 Round Tennis
The 100 Round Tennis was the one of the first major endurance tennis matches. Played between TheChutley and vvaluigi largely between 2009 to 2011, with the last two rounds coming out much later, the match only made it to 75 of the intended 100.
The entire match was uploaded to a shared account "The100RoundTennis": https://www.youtube.com/@The100RoundTennis
Round titles were simply the number of the round.
Match
Rounds 1-10