Dominant starts, surprises at the Slams, new-duo breakthroughs and consistent performances: All that and more made for some intriguing storylines in doubles this year on the men’s side. Now, the top eight pairings are set to square off at the ATP Finals. Here’s a look at the teams that will be in action at the O2 Arena.
1. Oliver Marach and Mate Pavic
After making moves up the rankings in 2017, the Austrian-Croatian duo got off to a perfect start in 2018: They won three titles in January, becoming the first duo this millennium to do so. That run included their first Grand Slam title at the Australian Open.