A spot in the next round is at stake on Thursday, when Casper Ruud goes up against Luciano Darderi in the Tokyo round of 32. Casper Ruud has won 3 in a row and 6 of the last 10 overall. Luciano Darderi is 6-4 across recent matches.

Casper Ruud has had the better of this rivalry, winning 1 of 1 against Luciano Darderi.

There's a wide gap in our ratings on hard, and our number follows from it. The edge belongs to Ruud — real, but not the kind you take for granted at this level.