The 2019 U.S. Open has seen new stars emerge in both the men's and women's draws. What jumps out to SI Now's Robin Lundberg and Ryan Asselta with the tournament more than halfway complete?
SI Insider: Main Takeaways So Far From The U.S. Open Semifinals
The women's semifinals results are official while the men's semifinals are set to take place tonight. SI Senior Writer Jon Wertheim breaks down Naomi Osaka's win and Serena Williams's surprising loss as the women's tournament heads into the finals. Wertheim also goes into detail ...read more