Katerina Siniakova defeated Kristie Ahn 6-1 2-6 6-1 in the Roland Garros qualifying round of 64 on clay. The result followed the form book — Katerina Siniakova came in defending last year's round of 128.
Siniakova K. came through in three sets.
Katerina Siniakova beat Kristie Ahn 6-1 2-6 6-1. Umpiry, "Katerina Siniakova vs Kristie Ahn — Roland Garros Qualifying Round of 64", https://umpiry.com/match/2016-05-19/ahn-vs-siniakova-roland-garros-q64?utm_source=cite (as of 19 May 2016).