Looking back on the 2018 season, Baseline is revisiting the Top 10 moments that made us laugh, cry and rejoice during the action-packed year. Here's No. 8:
8
The US Open Series instituted a serve clock at several of its events this summer, and any rule change in uber-traditional tennis is bound to leave both players and fans with some questions.
So a bunch of WTA stars at the Connecticut Open made a cringe-filled video to explain what exactly was going on: