German tennis player Alexander Zverev secured the ATP world No. 1 ranking on October 29, 2026, after winning his round-of-16 match against Tallon Griekspoor of the Netherlands at the Erste Bank Open in Vienna. The victory makes Zverev the 30th man to hold the top spot in ATP rankings history.
Zverev, 29, clinched the milestone at Wiener Stadthalle during the ATP 500 event, capping what he described as his best season. The German has won multiple titles in 2026, including Masters 1000 events, propelling him to the summit of men's tennis.
