Qualifier Anna Kalinskaya surprised world primary Iga Swiatek to achieve the Dubai Tennis Championships remaining.
Kalinskaya, 25, took one hour and 42 minutes to seal a 6-4 6-4 win in opposition to the four-time Grand Slam champion.
“I knew if I did not keep calm and aggressive she’s going to destroy me,” stated Kalinskaya.
The Russian faces Italy’s Jasmine Paolini, who beat Romania’s Sorana Cirstea 6-2 7-6 (8-6), in Saturday’s remaining.
It’s only a second loss in 26 matches for Swiatek after she gained the Qatar Open title final week.
“I am completely happy I acquired to play in opposition to her and I am certain we’ll see lots of one another sooner or later,” added Kalinskaya.
The world quantity 40 is the sixth-lowest ranked participant to achieve the ultimate in Dubai and is the primary qualifier to attain that feat.
Kalinskaya beat world quantity 9 Jelena Ostapenko and world quantity three Coco Gauff previous to her assembly with Swiatek.
Finalists Kalinskaya and Paolini met on the Australian Open in January, with the previous successful 6-4 6-2 in Melbourne.
The pair are each set to function of their maiden WTA 1000 remaining once they conflict in Dubai.