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.

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

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).

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.

Tallon Griekspoor went through an emotional and physical battle during his Indian Wells matchup against Alexander Zverev, with a little help from his team.