Czech 19-year-old Linda Noskova fired eight aces and took down No. 8 seed Jelena Ostapenko of Latvia 6-3, 6-1 in the first round of the Porsche Tennis Grand Prix on Tuesday in Stuttgart, Germany.

Noskova saved 8 of 9 break points while going 5-for-5 on her opportunities to break Ostapenko. It's already Noskova's third win over a top 10 opponent this year, including an upset of World No. 1 Iga Swiatek of Poland at the Australian Open.