. This German player and former world No.1 won the first of his six major singles titles at 17 years of age. Between 2013 and 2016, he coached another tennis virtuoso, who has won 20 Grand Slam men's singles titles, including a record nine Australian Open titles. Name both players.
Boris Becker and Novak Djokovic
. Designed by Mirka Federer, this entity made its first appearance at the Wimbledon Championships in 2006. Thereafter, it found its presence in every merchandise exclusive to Nike and Roger Federer. Identify this entity, which gave Federer fans a new medium to express their allegiance to the tennis maestro.
The ‘RF’ logo
. This husband-wife duo are tennis greats in their own right. While she was ranked world No. 1 for a record 377 weeks and won 22 Grand Slam singles titles, he is an American former world No. 1 tennis player and an eight-time Grand Slam winner. Name the duo.
Steffi Graf and Andre Agassi