Alexander Zverev’s hopes of becoming the men’s world No. 1 suffered a blow on Friday as he crashed out of the BNP Paribas Open at Indian Wells in the second round following a shock defeat to Tallon Griekspoor.

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.

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Tallon Griekspoor stunned top seed Alexander Zverev 4-6, 7-6 (5), 7-6 (4) in a 3-hour, 7-minute second-round clash Friday at the BNP Paribas Open. And No. 4 seed Casper Ruud fell to American Marcos Giron in the other big upset of the day.

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).

In his debut at the BNP Paribas Open, Alexander Zverev had a disappointing performance and was eliminated by Tallon Griekspoor, prompting a brutally honest confession from the German tennis player.

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,

Alexander Zverev's alarming slump in form continued as he was beaten by Tallon Griekspoor in his opening match at the Indian Wells Masters.