Tuesday's French Open first round pits Juan Carlos Prado Angelo against Martin Landaluce on clay. Juan Carlos Prado Angelo has won 2 of the last 10. Martin Landaluce comes in at 6 wins from the last ten.

Martin Landaluce has had the better of this rivalry, winning 1 of 1 against Juan Carlos Prado Angelo. On clay specifically it reads 1-0 Landaluce — worth more than the overall number this week.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. Landaluce needs several things to break right at once; the percentages say they usually don't.