Alexander claimed the opener and led 4-1 in the final set. Instead of toppling the lower-ranked opponent, Alexander dropped the final five games and propelled his rival toward his first top-10 victory. Zverev did not feel well in Acapulco, and it reflected on his campaign.

That’s Zverev right now, who lost to Tallon Griekspoor of the Netherlands, 4-6, 7-6 (5), 7-6 (4) in his first match at Indian Wells — as the top seed no less — on Friday.

Tallon Griekspoor upset top seed Alexander Zverev 4-6 7-6(5) 7-6(4) in a marathon second round clash at Indian Wells on Friday. The Dutchman collapsed on the court after converting his sixth match point to end an absorbing three hour,