Bob and his twin brother Mike Bryan were born in Camarillo on April 29, 1978.
Bob is a 16-time Grand Slam doubles champion along with twin brother Mike. Mike is an 18-time Grand Slam doubles champion. He holds the men's record for most doubles titles won in the Open Era. The Bryans are considered the best doubles-player duo of all time.
In 2005, Mike and Bob reached the finals of all four Grand Slam tournaments, which has happened only twice in the Open Era.
In 2006, the Bryan brothers won Wimbledon and the Australian Open. In 2007 they repeated with the Australian Open. In 2008 they won the bronze medal at the Beijing Olympics and in 2012 the gold one at the London Olympics.
In the latter event, Mike also won the bronze medal in mixed doubles with compatriot Lisa Raymond. In 2018, due to Bob's hip injury, Mike participates in Wimbledon and the US Open paired with Jack Sock and the Americans win both Grand Slams and qualify for the Finals, winning them. At forty Mike returns number one in the world. In 2019, the brothers announced their intention to retire after the 2020 US Open.
In 2020, the Bryans reached the round of 16 at the Australian Open and won the Delray Beach tournament. Subsequently they beat Denis Istomin and Sanjar Fayziev in the Davis Cup match between the United States and Uzbekistan with a score of 6-3 6-4. However, they choose not to play the US Open and retire on August 27th. He is the third male tennis player to win Grand Slam tournaments in history.