A spot in the next round is at stake on Monday, when Alexander Blockx goes up against Francisco Cerundolo in the US Open round of 16. Alexander Blockx has won 6 of the last 10. Francisco Cerundolo comes in at 6 wins from the last ten.

Hold strength tells the story — 74.8% versus 66.8% on first-serve points in Blockx's favor. Little separates them; Blockx gets the nod on the finest of margins.