It's been a stunning few days at the US Open. The women's No. 1 and No. 3 seeds are out, and so is the men's No. 3 seed. Young phenoms have notched statement wins. Little known players have made names for themselves with unexpected upsets.
In short, anything can happen at the US Open, and during Round 3, anything did.
The Round of 16 on Sunday, and there's even more at stake: a trip to the US Open quarterfinals. Every match matters, and there's upset potential everywhere you look. Will unseeded qualifier Botic van de Zandschulp be able to overcome Diego Schwartzman after beating the No.