who has the fastest serve in the atp tennis history at 163.4 mph
Fastest recorded tennis serves Although the Association of Tennis Professionals does not formally recognise service speed records made in Challenger events due to the variance in radar guns, the serve of 263.4 km/h (163.7 mph) recorded by Australian Sam Groth at an ATP Challenger event in Busan, South Korea in May 2012 was measured using approved equipment, and other data gathered appeared within a normal range. However, John Isner holds the official record for the fastest serve at 253 km/h (157.2 mph).[2]
ATP World Tour Masters 1000 Rafael Nadal and Novak Djokovic hold the record for the most singles titles with 30 since the Masters series began in 1990.[1] Nadal and Djokovic held all 9 Masters 1000 crowns starting with the 2013 Monte Carlo title through the 2014 Miami title, which was the first time that 2 players possessed all nine of the titles. The Bryan Brothers have won a record 36 doubles titles, all as a team. No player has ever won all 9 singles titles in his career, with Novak Djokovic winning 8, and Andre Agassi, Roger Federer, Rafael Nadal and Andy Murray each winning 7. However, in doubles, Daniel Nestor and the Bryan Brothers (Bob and Mike) have each won all 9 titles throughout their careers. Djokovic holds the record for 6 singles titles in a year (2015). In doubles, the Bryans have won 6 titles in a single year once (2014) and 5 titles in a single year twice (2007 and 2013).