Friday's Tulln quarterfinal pits Matias Soto against Vitaliy Sachko on clay. Vitaliy Sachko is 6-4 across recent matches. Matias Soto has won 6 of the last 10.

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 Sachko is exactly that — a lean.