Arthur Rinderknech vs Juan Manuel Cerundolo — R64 — Cincinnati Open

The points finished dead level at 116 apiece, and the No. 25 seed still won more games than the man who beat him. Rinderknech, a 62 percent favorite with the betting market, converted 3 of 14 break points and none of his six in the second set, and his 56 unforced errors ran 19 clear of the winner's. The favorite broke back for 4-4 in the third and saved a match point; it bought him nothing. Cerundolo, a clay grinder whose serve has never been the weapon, answered with 14 aces and 84 percent of first-serve points won across three hours and 33 minutes, avenging their only prior meeting on record to reach the round of 32 at the Cincinnati Open.