Maria Sakkari upsets No. 1 seed Iga Swiatek in Qatar Open QFs
Tomas Kauer - News Moderator 
Unseeded Maria Sakkari of Greece toppled No. 1 seed Iga Swiatek of Poland 2-6, 6-4, 7-5 in the quarterfinals of the Qatar TotalEnergies Open on Thursday in Doha.
