Former World No. 1 and 11-time Grand Slam champion Bjorn Borg is probably one of the biggest legends in tennis. However, when it comes to the GOAT debate, he chooses between Roger Federer, Rafael Nadal and Novak Djokovic.

MELBOURNE, Australia -- And then there was one: The Big Three is down to just Novak Djokovic, who stands alone from a golden generation of men’s tennis now that Rafael Nadal has joined Roger Federer in retirement.

Novak Djokovic added yet another record to his lengthy list, breaking a tie with Roger Federer for the most Grand Slam matches played in tennis history by reaching 430 on Wednesday at the Australian Open in what was a tougher-than-expected second-round victory.

Novak Djokovic, Roger Federer and Rafael Nadal are considered to be the best tennis players ever. But who is the true GOAT? Well, former World No. 3 and ATP Finals winner reveals his choice.

Novak Djokovic surpasses Roger Federer's record for the most major singles matches played as he reaches the Australian Open third round.

Novak Djokovic of Serbia and Rafael Nadal of Spain pose with their trophies during the awarding ceremony after their third-place match at Saudi Arabia s 6 Kings Slam exhibition tennis tournament in Riyadh,

Novak Djokovic broke the record for the most Grand Slam singles matches played with his second-round victory over Jaime Faria at the Australian Open. Djokovic, a ten-time winner of the event, breaks a tie with former rival Roger Federer by clocking his 430th career Grand Slam encounter.

Novak Djokovic has become the latest prominent figure in tennis to criticize the handling of Rafael Nadal's retirement ceremony.