The summits have been attended by global leaders, and the talks have often been disrupted by friction spilling over from the war in Ukraine as well as flashpoints such as the Taiwan strait and the Korean peninsula.

Nato member Poland had said a rocket killed two people in eastern Poland near Ukraine, and it summoned Russia's ambassador for an explanation after Russia denied it was responsible.

The summit is the first G20 leaders' gathering since Russia sent its forces into Ukraine.

The summit, which host Indonesia and other countries have said should focus on the global economy, has instead been overshadowed by Russia's invasion of Ukraine.

Eyeing a joint G20 declaration that would condemn Russia's invasion and threats to use nuclear weapons, US and European officials painted the summit in Bali as evidence of Russia's deepening isolation.

Xi meanswhile says the relationship between their two countries is not meeting global expectations.

Indonesia assumed the chair of the G20 in December with plans to focus on recovery from the coronavirus pandemic and boosting the interests of developing nations.

The US Treasury chief has been pressing China to do more to restructure bilateral debt that a range of developing countries owe to China, including through the G20's common restructuring framework.

A flurry of state visits to China in the past week have highlighted the importance of maintaining trade and other diplomatic ties – even as China acts more assertively to defend its interests.

It is unclear if the Russian leader will attend virtually.

Leaders from the Association of Southeast Asian Nations will meet in Phnom Penh, kicking off a diplomatic blitz in the region that also takes in next week's G20 in Bali and an Apec summit in Bangkok.

As head of the G20 this year Jokowi, as the president is known, has taken an increasingly active role in foreign affairs.