Joao Lucas Reis Da Silva and Matheus Pucinelli De Almeida meet in the quarterfinal at Antofagasta on Friday. Matheus Pucinelli De Almeida has won 5 of the last 10. Joao Lucas Reis Da Silva is 6-4 across recent matches.

There's a wide gap in our ratings on clay, and our number follows from it. This one is close to a coin flip, and the lean toward Almeida is exactly that — a lean.