Novak Djokovic will wait until he is retired to assess his stunning feats but recognises rankings records as "the paramount achievement of our sport".
The Serbian will finish the year as the world number one for a seventh time, a new record having previously been tied with Pete Sampras on six.
Djokovic, who also leads the way with 345 weeks at the top all-time, secured his position by advancing to the Paris Masters final with a last-four win over Hubert Hurkacz on Saturday.
"Every achievement is special," said the 20-time major champion. "I try to make myself aware of the fact that I am in a very unique position.
"It's difficult for me to understand the magnitude of these achievements, not just for myself but for the sport while I'm still [an] active player.
"Probably when I retire, I'll be able to reflect on that a little bit more and appreciate it a little bit more.
"Of course I'm very appreciative and grateful for it now, but what is the next challenge is always in your mind while you're an active player. It's constantly another task, another tournament.
"So [I] don't have really much time to enjoy the success, so to say, because you always have to turn the next page."
However, he added: "Being historically [the] number one-ranked player in the world is probably the paramount achievement of our sport.
"Also, finishing the season as year-end number one requires full commitment throughout the entire year and consistency and playing the best tennis in the biggest events, which accumulate the most points that enable you to be highly ranked. So that's what I have done this year."
Djokovic will have his work cut out as he pursues a 37th Masters 1000 title, now facing Daniil Medvedev, the man who denied him the calendar Grand Slam in the US Open final.
"The job is not done," added Djokovic. "Obviously reaching the finals of one of the biggest tournaments that we have in our sport on our tour is something that stands out regardless of the year-end achievement that is completed.
"So hopefully going to have another great match and then take it from there.
"For now I am just proud and extremely happy. Obviously that was one of the biggest goals and it's always one of the biggest goals, to try to be number one and end the season as number one.
"To do it for the record seventh time and surpass my childhood idol and role model, Pete, is incredible. Very grateful, very blessed to be in this position.
“I wasn't bored without tennis, but I like competing so I was looking forward to coming to Paris and the biggest reason coming here was to clinch the year-end number one.
"Now that I managed to do it, it's a huge relief, as well."
Swiatek soars past Keys to seal Italian Open semi-final spot
Iga Swiatek soared through to the Italian Open semi-finals following a dominant straight-sets victory over Madison Keys.
The world number one took just 76 minutes to wrap up a commanding 6-1 6-3 win - matching the scoreline which saw her overcome the American in the Madrid Open last four a fortnight ago.
Swiatek broke her opponent four times and saved all 10 break points she faced on the way to setting up a semi-final showdown with either Coco Gauff or Qinwen Zheng.
Yet to drop a set this week, the Pole remains on course to complete a hat-trick of titles in Rome and land her fourth silverware of 2024, in which she now boasts a 36-4 record.
Data debrief
Reaching her 16th WTA 1000 semi-final from 30 main draws entered, Swiatek (53.3 per cent) surpasses Serena Williams (53.1 per cent, 26 from 49) for the highest rate of last-four appearances in such tournaments since the format's introduction in 2009.
The Pole also took her tally of WTA match wins on clay to 75 from 85, with only Monica Seles, Nancy Richey (both 80), Chris Evert (81) and Margaret Court (82) reaching that figure on surface in fewer matches during the Open Era.
Medvedev pushed all the way to avoid third-round scare in Italian Open
Daniil Medvedev had to dig deep to overcome Hamad Medjedovic at the Italian Open on Monday and stay in with a chance of retaining his title.
Medvedev came out on top with a 7-6 (7-5), 2-6, 7-5 victory, but was made to work hard to avoid a third-round upset.
After enduring an up-and-down opening two sets in which he hit 10 double faults, Medvedev rallied into a lead before holding off Medjedovic’s fight-back.
The second seed remained composed to break in the match’s final game to advance after two hours and 50 minutes.
Medvedev will now play Tommy Paul in the next round on Tuesday, with the American seeing off Dominik Koepfer 6-4, 6-3.
Data Debrief: Reigning champion fights on
Medvedev has reached the last 16 at all 5 Masters 1000 events this season, with only Alexander Zverev able to match that distinction.
It was not an easy ride for him though, as Medjedovic wanted to prove a point against his first Top 10 opponent in what was his first Masters 1000 third round.
Swiatek passes Kerber test to reach Italian Open quarter-finals
Two-time Italian Open champion Iga Swiatek advanced to the quarter-finals of this year's tournament with an impressive 7-5 6-3 win over Angelique Kerber on Monday.
Three-time grand slam winner Kerber provided Swiatek with a real step up after routine victories over Bernarda Pera and Yulia Putintseva in the first two rounds on the clay in Rome.
Kerber responded to Swiatek's first break – which came in the eighth game – with one of her own, but the world number one then recaptured her composure to force a series of break points in Kerber's next two service games, finally converting at the eighth attempt to take the opener.
Kerber refused to go away, breaking straight back in the first game of the second set, but Swiatek upped her game to take the contest away from the 36-year-old.
Swiatek dropped just three further points on her own serve from there, adding three breaks of her own to set up a last-eight meeting with Madison Keys for Tuesday.
Data Debrief: Swiatek unmatched on clay
While Kerber rolled back the years to trouble Swiatek early on, she lacked the staying power to live with the world number one in longer rallies on a surface where she is truly unmatched.
Her win ratio at clay-court events at WTA 1000-level now stands at 88.2 per cent (30 wins, four defeats), the best of any player to have played a minimum of five matches since the format's 2009 introduction, ahead of Serena Williams at 88 per cent.
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