World Coco Gauff’s world number lost in 73 minutes Marte Kostyuk in the second round of Qatar Open.
The Ukrainian, world number 21, in the second set defended from 3-1 in the second set to pack the victory 6-2 7-5 at the WTA 1,000 in Doha.
It is the second slaughter defeat for Gauff who got farewell in the first round and has since played for the first time Lost for Paul Bados In the quarter -finals of the Australian Open last month.
2023 US Open Champion was returned to seven double mistakes and 39 unforced mistakes, while she managed only eight winners.
Gauff won its last 17 matches against the opponents that were placed outside the 20 best, before he faced Kostyuk.
The 22-year-old will now face the winner of the versatile tie between Magda Linette and Magdalena Frech.
Elsewhere, former Wimbledon champion Elena Rybakin won a 6-2 6-4 victory against American Peyton Stearns, while Jasmine Paolini-Mine-year-old Wimbledon and French Open Runner-up-Pozila Caroline Garcia 6-3 6-4.
Linda Noskova won 6-2 6-3 against Kazakhstan’s Yulia Putintseva to play the last 16th meeting with the triple advocate of Iga Swiak champion.