Sunday's French Open first round pits Ksenia Efremova against Sorana Cirstea on clay. Ksenia Efremova is 1-9 across recent matches. Sorana Cirstea has won 4 in a row and 8 of the last 10 overall.
Sorana Cirstea has had the better of this rivalry, winning 1 of 1 against Ksenia Efremova. On clay specifically it reads 1-0 Cirstea — worth more than the overall number this week.
Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. A tiebreak or two would surprise nobody, with Efremova fractionally more likely to land the big points.