Alexander Blockx and Coleman Wong meet in the first round at French Open on Sunday. Alexander Blockx has won 8 of the last 10. Coleman Wong is searching for form, having lost 2 in a row (5 of the last 10).
Alexander Blockx has had the better of this rivalry, winning 1 of 1 against Coleman Wong. On clay specifically it reads 1-0 Blockx — worth more than the overall number this week.
Alexander Blockx simply rates much higher on clay, and our number follows from it. Wong needs several things to break right at once; the percentages say they usually don't.