Novak Djokovic has become the first player in tennis history to earn more than US$100 million in prize money.

The World No. 1, who began his 2016 Roland Garros campaign with US$99,673,404, earned a further US$327,471 in prize money as a result of reaching the Roland Garros quarter-finals with victory over Spaniard Roberto Bautista Agut on Wednesday.

Ahead of competing in his 28th straight Grand Slam championship quarter-final, Djokovic has now amassed $100,000,875 in prize money over his 14-season pro career.

ALL-TIME PRIZE MONEY LEADERS (US$)

Prize money levels at ATP World Tour and Grand Slam events have increased significantly in recent years, with the sport's popularity and commercial success soaring due to superstar athletes and a thriving global platform of tournaments.

Overall prize money levels at ATP World Tour tournaments are set to exceed US$130 million in 2018, more than a 100 per cent increase since 2008.

TOP 5 PRIZE MONEY LEADERS BY SEASON (US$)

Australia's Rod Laver was the first tennis player to earn more than $1 million in total prize money at the end of the 1971 season. The sport became 'open' to amateur and professional players in May 1968.