Monday's Buenos Aires 3 round of 32 pits Gonzalo Villanueva against Ivan Justo Guido on clay. Ivan Justo Guido has won 5 of the last 10. Gonzalo Villanueva comes in at 6 wins from the last ten.

Ivan Justo Guido is clearly higher-rated on clay — our number puts Guido around 53%. A tiebreak or two would surprise nobody, with Guido fractionally more likely to land the big points.