A spot in the next round is at stake on Thursday, when Diego Dedura goes up against Valerio Aboian in the Guayaquil round of 16. Diego Dedura has won 4 of the last 10. Valerio Aboian has won 6 of the last 10.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. Expect resistance, but the match-level math tilts clearly toward Dedura.