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.

BNP Paribas Open at Indian Wells have had its few surprises, including early exits for Alexander Zverev and Novak Djokovic. Here's how the ATP Rankings could change this week.

Alexander Zverev crashed out in his opening match at Indian Wells on Thursday. After serving for the match against Tallon Griekspoor in set two, the top seed suffered a huge collapse and was dragged into a decider where Griekspoor came out on top, 4-6 7-6 (5) 7-6 (4).

ATP World No. 2 admitted to playing "terrible" after losing to Tallon Griekspoor in his first match at Indian Wells.

He is now not thinking of supplanting Jannik Sinner atop the rankings following his "terrible" performance. Read more at straitstimes.com.

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,