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ATP ranking explained: how the tennis world ranking works
In short
The ATP ranking is a rolling 52-week system, not a calendar year. Only your best 18 results count, with the four Grand Slams and eight Masters 1000 events always mandatory. Separately, the ATP Race (current year only) decides who qualifies for the ATP Finals.
A rolling 52-week system, not a calendar year
The ATP ranking is not an annual table that resets to zero on 1 January. It is a rolling system spanning 52 weeks: every Monday, the points a player earned at a given tournament exactly a year earlier automatically drop off, and the points from the tournament played the previous week are added. A player who won a tournament in August last year therefore loses those points again in August this year, unless he matches or improves on that result.
Shifts even without playing
That keeps the ranking constantly shifting, even without a player stepping onto court himself: anyone who picked up a lot of points last year at a tournament now back on the calendar has to defend those points again this year to hold his position.
Why only your best results count
The ATP ranking does not count every tournament a player entered that year, only his best 18 results from the previous 52 weeks. That is down from the 2026 season, when the system dropped from 19 counting results to 18.
For players near the top of the ranking, a number of those 18 slots are fixed: the four Grand Slams and the eight mandatory Masters 1000 events always count, even if a player skips one of them. In that case, the tournament still counts, but for zero points, which drags his average down. The remaining slots within the 18 are filled with his best results from the rest of the season: smaller ATP 500 and ATP 250 tournaments, or extra Masters 1000 events beyond the eight mandatory ones.
The points table: Grand Slams and Masters 1000
How many points a result is worth depends on the level of the tournament and how far a player advanced. At a Grand Slam (Australian Open, Roland Garros, Wimbledon, US Open), the men's singles draw pays out:
| Round (Grand Slam, men's singles) | Points |
|---|---|
| Winner | 2,000 |
| Runner-up | 1,300 |
| Semi-final | 800 |
| Quarter-final | 400 |
| Round of 16 | 200 |
| Third round | 100 |
| Second round | 50 |
| First round lost | 10 |
The Masters 1000 table is lower
At a Masters 1000 event (such as Cincinnati), the table is lower: the winner gets 1,000 points, the runner-up 650, tapering off further at each earlier round. That gap between a Grand Slam and a Masters 1000 explains why an early exit at a Grand Slam can still be worth more points than a strong run at a smaller tournament.
The ATP Finals and the Race to Turin
Alongside the regular ranking sits the ATP Race, a separate standings list that counts only points from the current calendar year, without the rolling 52-week window used for the regular ranking. The ATP Race decides which eight players qualify for the ATP Finals, the season-ending tournament for the eight best players of the year. An unbeaten ATP Finals winner can earn up to 1,500 points, which makes it, outside the Grand Slams, one of the heaviest single events of the year for the regular ranking.
The distinction between the regular ranking and the Race explains why you sometimes see two different player orders doing the rounds near the end of the season: one counts the full 52 weeks, the other only the current year.
Protected ranking and the doubles ranking
Protected ranking
A player who is unable to play for at least six months because of injury does not automatically lose the benefit of his ranking. Under a protected ranking, he is assigned, on his return, a position based on his average ranking during the first three months of his absence. If he was out for less than a year, he can use that protected ranking to enter his next nine tournaments; if he was out for a year or more, that extends to his next twelve tournaments. A protected ranking grants access to the main draw, but it does not carry seeding, which means a returning player can run into a top player as early as the first round.
Doubles ranking
Separate from the singles ranking, the ATP and WTA also keep an entirely distinct ranking for doubles, with its own 52-week window and its own list of counting tournaments. Some players build their entire careers around doubles and, as a result, barely appear, or don't appear at all, in the singles ranking.
Why the ranking is more than just a list
The ATP ranking does not just decide the well-known "world number 1" status. It also determines directly who gets seeded at every tournament, who gets direct entry into the main draw of the bigger events, and where unseeded players are placed for the qualifying tournament. A player sitting just outside the top 100 will often have to fight through qualifying for a spot that a higher-ranked player is handed directly.
For the draws and structure of the biggest tournaments, see the pages on the draws of the major tournaments, where the ranking always forms the basis for the draw:
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Frequently asked questions
How often is the ATP ranking updated?
Every Monday, once the tournament weekend has finished. Points earned exactly 52 weeks earlier drop off at that point, and new points from the past week are added.
How many results count towards the ranking?
The best 18 results from the previous 52 weeks, since the 2026 season (19 before that). The four Grand Slams and the eight mandatory Masters 1000 events always count, even if a player skips them.
What is the difference between the ATP ranking and the ATP Race?
The ATP ranking counts the best results over a rolling 52-week period. The ATP Race counts only points from the current calendar year and decides who qualifies for the ATP Finals.
How many points does winning a Grand Slam earn?
2,000 points for the winner, 1,300 for the runner-up. At a Masters 1000 event that is lower: 1,000 points for the winner.
How many players compete in the main draw of a Grand Slam?
128 players in singles, of whom the 32 highest-ranked receive a seed based on their ATP ranking. The remaining spots are filled through direct entry or the qualifying tournament.
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