The longest marathon playing tennis doubles is 57 hr 32 min 27 sec, achieved by Sipke de Hoop, Wichard Heidekamp, Andre Poel, Rob Hamersma (all Netherlands) at the Zuidlaarder Tennis Club, Zuidlaren, Netherlands, on 16-18 August 2013.

The group of four was able to play 46 matches, consisting of 112 sets and 975 games.