Russia might continue detaining an Australian man to carry out a high-profile prisoner swap in the future, an expert says.

The Australian government has been told by Moscow that one of its citizens in Russian captivity is still alive. Oscar Jenkins, a 32-year-old teacher, was captured last year while fighting for Ukraine.

Oscar Jenkins, once feared dead, is believed to be alive and in Russian captivity. Foreign Minister Penny Wong has called for his release and warned Moscow the federal government's response will be "unequivocal" if he is not treated humanely.

Tennis Australia says it has advised its players against competing in Russia following reports that Davis Cup team member Thanasi Kokkinakis was featured in an exhibition in St. Petersburg two months ago.

Australian Prime Minister Anthony Albanese said Wednesday Russia has reported Oscar Jenkins is alive and in custody. The Australian man went to Ukraine to fight against Russia's invasion and was feared dead.

An Australian man who was feared dead after being captured by Russian forces is alive, foreign minister Penny Wong has announced. Oscar Jenkins, 32, a teacher who signed up to fight for Ukraine against Russia,

An Australian national who was reportedly killed after his capture by Russian forces in Ukraine is alive, Australian Foreign Minister Penny Wong said Wednesday. “The Australian government has received confirmation from Russia that Oscar Jenkins is alive and in custody,

Australian Oscar Jenkins is alive as a prisoner of war in Russian territory and his welfare is "normal", according to Russia's ambassador after execution fears.

Government officials believe an Australian soldier reportedly held captive in Russia is alive after initial fears he was killed.