Rebecca Peterson defeated Misaki Doi 6-3 6-0 in the Roland Garros qualifying round of 128 on clay. The upset overturned the form book — Misaki Doi came in defending last year's round of 128.
Peterson R. took it in straight sets.
Peterson R. and Doi M. faced 1 of the same opponent in the last 12 months. Peterson R. went 1–0 (100%) against them, Doi M. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Rebecca Peterson beat Misaki Doi 6-3 6-0. Umpiry, "Rebecca Peterson vs Misaki Doi — Roland Garros Qualifying Round of 128", https://umpiry.com/match/2018-05-23/doi-vs-peterson-roland-garros-q128?utm_source=cite (as of 23 May 2018).