Danielle Collins Upset by Erika Andreeva in Monterrey Open

Top-seeded Collins exits early after a three-set loss; Czech teen Noskova advances with dominant win

Collins, the world No. 11, lost 1-6, 6-3, 6-3 to Andreeva in her opening match.
Collins expressed frustration with the crowd during the third set of the match.
Erika Andreeva secured her first career victory over a top-20 player.
Linda Noskova defeated Anna Danilina 6-0, 6-1 to reach the round of 16.
Defending champion Donna Vekic withdrew from the tournament after winning an Olympic silver medal.