Former world primary Victoria Azarenka suffered a shock defeat by American teenager Ashlyn Krueger on the Libema Open within the Netherlands.
Two-time Grand Slam champion Azarenka was shocked 6-3 6-2 by the 19-year-old.
Victory on the grass-court match in s’Hertogenbosch marks unseeded Krueger’s first win over a top-20 participant and a maiden WTA quarter-final.
Within the males’s draw, Italian second seed Jannik Sinner beat Kazakh Alexander Bublik to succeed in the final eight.
World quantity 9 Sinner, who’s trying to bounce again on grass within the run-up to subsequent month’s Wimbledon after a disappointing second-round exit on the French Open, beat Bublik 6-4 6-2 within the opening spherical.
Sinner, a quarter-finalist on the All England Membership final 12 months, will face Finland’s Emil Ruusuvuori, ranked 42 on this planet, within the subsequent spherical after he edged out Frenchman Ugo Humbert 6-2 6-7 (6-8) 6-4.
Elsewhere within the ladies’s draw, Russian prime seed Veronika Kudermetova progressed to the quarter-finals with a cushty 6-1 6-3 victory over Canadian qualifier Carol Zhao.