16-year old Ukrainian Dayana Yastremska headlined on the opening day in Istanbul as she crushed out No.8 seed Andrea Petkovic from Germany.

Ukrainian wild-card Dayana Yastremska made a brilliant effort to beat German Andrea Petkovic in Garanti Koza Arena. 16-year old teenage came from a set down against 29-year old German and defeated her 3-6, 6-0 and 6-3. She amazed with the win over renowned German, had a great boosting to her for upcoming weeks.

Dayana Yastremska will play against Kai Chen-Chang-Anna Kalininskaya winner in the next round.

Another main draw match were played between Maria Sakkari and last year’s finalist Danka Kovinic. Rising Greek Sakkari played very solid game and took it 7-6, 6-3 as she revenged 2016 quarter final match-up with Montenegrin, who won that encounter coming from 6-1 down. Greek will be waiting Cirstea-Ferro winner for the next play.