A spot in the next round is at stake on Monday, when Brandon Nakashima goes up against Sebastian Baez in the US Open first round. Brandon Nakashima has won 8 of the last 10. Sebastian Baez comes in at 6 wins from the last ten.

Hold strength tells the story — 74.5% versus 64.7% on first-serve points in Nakashima's favor. The edge belongs to Nakashima — real, but not the kind you take for granted at this level.