Sunday's Guadalajara round of 32 pits Alycia Parks against Mayar Sherif on hard. Alycia Parks has won 4 of the last 10. Mayar Sherif is searching for form, having lost 2 in a row (8 of the last 10).

Hold strength tells the story — 70.2% versus 58.6% on first-serve points in Parks's favor. This one is close to a coin flip, and the lean toward Parks is exactly that — a lean.