Leylah Fernandez was defeated in the second round at the Charleston Open on Thursday, as Magda Linette of Poland prevailed 3-6, 6-3, 6-4.
Seventh seed, the Quebecer had obtained a pass in the first round.
Author of the 10 aces of the game, Linette had the advantage 5-4 for the breaks.
Favorite Aryna Sabalenka was surprised by American Amanda Anisimova, who reached the quarter-finals winning 3-6, 6-4, 6-3.
Aged 20, Anisimova is ranked 47th in the world.
She ended the match with a sixth ace, remaining undefeated in three matches against Sabalenka, fifth in the WTA.
In the American duel, CoCo Vandeweghe defeated Jessica Pegula 6-4, 3-6, 6-4.
