In January 2023, Novak Djokovic won the Australian Open for a record 10th time, in the process tying Rafael Nadal's record for most career Grand Slam singles titles (22). Yesterday, Djokovic won his third French Open title, and he now is the sole record-holder for career Grand Slam singles titles. When Roger Federer, who now ranks third on that list, held the record he was almost universally declared to be the greatest tennis player of all-time, so it would be hypocritical for his fans and media supporters to not acknowledge that Djokovic and Nadal have both surpassed Federer in the category that they claimed matters the most. Djokovic has missed two of the past six Grand Slam singles events due to his refusal to receive the COVID-19 vaccine, and had he been able to play in those tournaments his lead over Nadal, Federer, and the rest of the pack would likely be even larger.
When Nadal passed Federer on the career Grand Slam singles titles list, Federer's fans and media supporters diminished Nadal's accomplishment by noting that 14 of Nadal's 22 Grand Slam wins are from the French Open. That is an odd critique--to say the least--considering that the French Open is one of the two most prestigious Grand Slams (alongside Wimbledon), not to mention that Nadal's eight "other" Grand Slam titles alone would rank him tied for eighth on the all-time list with (among others) Jimmy Connors, Ivan Lendl, and Andre Agassi. It is also worth noting that Nadal beat Federer head to head in Federer's best Grand Slam event (Wimbledon) but Federer has never defeated Nadal in the French Open, and that Nadal enjoys a 24-16 head to head advantage over Federer, including 10-4 in Grand Slams and 12-7 in ATP Masters Series/ATP Tour Masters 1000.
Djokovic's best Grand Slam event (the Australian Open) is by far the least historically significant of the four Grand Slams, but he also has won seven Wimbledons (tied for second all-time with Pete Sampras and William Renshaw behind Federer's eight), and he is the only player who has won each Grand Slam singles title at least three times. Djokovic leads Federer 27-23 in their head to head matches, including 11-6 in Grand Slams.
Djokovic's Grand Slam winning percentage is .329 (23 titles in 70 events played), while Nadal's is .328 (22/67), and Federer's is .247 (20/81). It requires torturing logic to the breaking point to rank Federer ahead of either Djokovic or Nadal at this point.
Bjorn Borg should be mentioned in this discussion as well. By the time Borg played his final Grand Slam event in 1981, many knowledgeable observers ranked him as the greatest player of the Open Era, if not of all-time. Borg's simultaneous dominance of the French Open clay and the Wimbledon grass remains unmatched four decades later; for three straight years (1978-80) he won both events, and by the end of his career he held the modern record for titles won at both venues (six French Opens, five Wimbledons). Nadal broke Borg's French Open record, while Sampras, Federer, and Djokovic surpassed his Wimbledon standard (Renshaw won his Wimbledon titles at a time when the reigning champion did not have to play in the main draw), but Borg remains the only player in tennis history to dominate both events at the same time.
Many of Borg's important records have not been broken, including his Grand Slam winning percentage of .393 (11/28), his match winning percentage against top 10 players (.725), his four straight years with a match winning percentage greater than .900, his 10 consecutive titles won in 1979-80, and his 63 titles won prior to the age of 25. Borg retired at 25, so it is safe to assume that if he had played for even just a few more years he would have not only extended many of the aforementioned records but he would have set some other records that may still be standing.
Unlike Federer, Borg does not have a losing record against any of his main rivals. The only blemish on Borg's resume is that he failed to win the U.S. Open despite reaching the finals four times in 10 tries. Borg reached the U.S. Open finals in back to back years and three times in four years before retiring, so Arthur Ashe is among those who believed that Borg would likely have won a U.S. Open title had he kept playing. Like most of his top ranked contemporaries, Borg routinely skipped the Australian Open, so in essence he won 11 titles in three Grand Slam events while the great players who came after him won their Grand Slam titles in four events.
It is difficult to definitively state that one person is the greatest of all-time in any endeavor, but an objective analysis of tennis history demonstrates (1) there is little basis to put Federer above everyone else and (2) Borg deserves greater appreciation than he receives now. Borg, like many athletes who have been retired for several decades, is facing that battle to avoid being forgotten that William Goldman eloquently described in the classic book that he co-authored with Mike Lupica, Wait Till Next Year. Goldman concluded, "The greatest struggle an athlete undergoes is the battle for our memories. It's gradual. It begins before you're aware it's begun and it ends with a terrible fall from grace. Stripped of medals, sent to Siberia...It really is a battle to the death."
Djokovic is the man of the hour, and he deserves the praise he is receiving, while Nadal and Federer are all-time greats who also deserve praise--but Borg should be remembered and praised as well.