London, Oct. 30 -- Alexander Zverev has just received early admission to one of tennis's most exclusive clubs.

On Thursday, the German defeated Dutchman Tallon Griekspoor 6-4, 7-5 in Vienna to book his place in the quarter-finals and secure the top spot in the ATP rankings when they are updatedon November 2. The milestone has been a long time coming for the 29-year-old, according to olympics.com.

"It's been a wait, but sometimes you have to wait for the best things in life," said Zverev, who becomes the 30th member of the world No. 1 club, the second-oldest man and the second German man to reach the top since Boris Becker in 1991.

Published by HT Digital Content Services with permission from United News of India....