Tuesday's Barranquilla round of 32 pits Dominika Salkova against Julia Riera on hard. Dominika Salkova has won 5 of the last 10. Julia Riera is 8-2 across recent matches.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. This one is close to a coin flip, and the lean toward Salkova is exactly that — a lean.