Alex Barrena and Genaro Alberto Olivieri meet in the round of 16 at Santa Cruz 2 on Wednesday. Alex Barrena has won 8 of the last 10. Genaro Alberto Olivieri is 5-5 across recent matches.

Alex Barrena simply rates much higher on clay, and our number follows from it. Olivieri comes in off a compressed schedule. The edge belongs to Barrena — real, but not the kind you take for granted at this level.