Melbourne VIC, Australia, 11 August 2015 |

Sam Groth’s quarterfinal finish at last week’s Citi Open in Washington DC has pushed the Aussie onto the verge of the world’s top 50.

Groth, who beat three higher-ranked players – including two seeds – in the US capital before going down to Kei Nishikori, jumped nine places to world No.53.

> see where the Aussies stand in the latest ATP rankings

Lleyton Hewitt, who reached the second round at the same event, rose 12 places to No.271.

Further down the list, there were some significant gains for several younger Aussies.

Matt Reid, who recently won a Futures event Saskatoon, Canada the week after finishing runner-up at a Vancouver Futures tournament, vaulted 54 spots to No.362.

The player he beat in the Saskatoon final – 19-year-old Sydneysider Aleksandar Vukic – jumped an impressive 273 places to 796th, a career-high ranking.

> view the latest Australian rankings

Sitting one spot above him at No.795 is Bradley Mousley, who improved 152 places after reaching the final of the recent Futures event in Erzurum, Turkey.

In other notable rankings news for our men, Gavin Van Peperzeel broke into the world’s top 300 thanks to his finals finish at the Sombor, Serbia Futures event while Harry Bourchier rose 35 places to No.522 with a semifinal run in Edwardville in the US.

On the women’s side, Sam Stosur made a welcome return to the world’s top 20 after reaching the semifinals of the concurrent WTA event in Washington DC.

> view the latest WTA rankings

Stosur won three matches – building an eight-match streak – before falling to eventual champion Sloane Stephens.

She rose three places to world No.18.

Storm Sanders, meanwhile, was the nation’s biggest mover among the females, jumping 12 spots to No.393 after a second-round finish at the $25,000 ITF tournament in Gatineau, Canada.