Published on July 10, 2017
Former professional tennis player, Rennae Stubbs, and IBM’s Elizabeth O’Brien look at the difference between first and second serve among the men’s semifinalists. All have a fairly equal drop off in second serve win percentage. At this stage of the tournament it will be key for these players to get a high amount of first serves in play to win points and advance to the US Open Final. Learn more at:
