Su Jeong Jang defeated Anhelina Kalinina 6-4 6-3 in the Roland Garros qualifying round of 128 on clay. The upset overturned the form book — Anhelina Kalinina came in ranked #48.
Jang S. took it in straight sets.
Su Jeong Jang beat Anhelina Kalinina 6-4 6-3. Umpiry, "Su Jeong Jang vs Anhelina Kalinina — Roland Garros Qualifying Round of 128", https://umpiry.com/match/2017-05-23/jang-vs-kalinina-roland-garros-q128?utm_source=cite (as of 23 May 2017).