Crippling injuries has seen Australian tennis star Nick Kyrgios' ranking plummet to its lowest figure in 10 years.
While four other Australian men, including Alex de Minaur, achieved career-high rankings.
The Sporting News has all the latest on Australia's men's tennis rankings.
Nick Kyrgios ranking tanks outside 400
Kyrgios has seen his ranking drop to 469, which is his lowest ranking since 2013, when he was on the rise as an exciting tennis talent.
Knee and wrist injuries have seen Kyrgios only play one ATP match in 2023 - a straight sets loss to China's Yibing Wu at Stuttgart in June.
The 28-year-old has only played four ATP matches in total since reaching the quarter-finals of US Open 2022.
With a lack of rankings points being accumulated, Kyrgios has seen his ranking plummet, especially when he lost the points gained for his run at Flushing Meadows last year.
However, Kyrgios does have a protected ranking of 21, which is granted when a player is injured for six months or more.
As Kyrgios returned from injury for a single match in June against Wu, he can use this protected ranking for entry to his next nine tournaments or for the next nine months, whichever occurs first.
Alex de Minaur edges closer to top 10
De Minaur has been rewarded with his recent consistency, earning a career-high ranking of 12 in the last release.
A quarter-final at the US Open propelled De Minaur to 12th, adding to his impressive resume of 2023 results.
The 24-year-old won at Acapulco earlier this year, while he also reached the final at the Canada Masters, Los Cabos and Queen's Club.
Three other Aussies reach career-high rankings
Aside from De Minaur, Australia has five other players ranked in the top 55, as men's tennis Down Under enjoys a resurgence with three achieving career high marks.
Max Purcell's quarter-final appearance at the Canada Masters has seen him become Australia's no.2 ranked player at 43 - in a meteoric rise over the past 12 months.
Chris O'Connell, who knocked Purcell out of the US Open, has surged to a career-best 53, while Rinky Hijikata's fourth-round at Flushing Meadows has propelled him to 82.
Other Australians in the top 55 include Alexei Popyrin (45), Aleksandar Vukic (50) and Jordan Thompson (55).
Australian men's tennis rankings
Note: Career-high bolded
| Ranking | Change | Name | Points |
|---|---|---|---|
| 12 | +1 | Alex de Minaur | 2,685 |
| 43 | - | Max Purcell | 1,047 |
| 45 | -4 | Alexei Popyrin | 1,030 |
| 50 | - | Aleksandar Vukic | 947 |
| 53 | +16 | Christopher O'Connell | 930 |
| 55 | -4 | Jordan Thompson | 916 |
| 74 | +4 | Thanasi Kokkinakis | 766 |
| 82 | +28 | Rinky Hijikata | 727 |
| 94 | -7 | Jason Kubler | 643 |
| 129 | -18 | James Duckworth | 476 |
| 167 | +7 | Marc Polmans | 367 |
| 469 | -335 | Nick Kyrgios | 90 |
*Last updated September 12, 2023
