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Nick Kyrgios has continued his blazing run with a rollicking three-set victory over world No.1 Daniil Medvedev in Montreal.

Australia's Wimbledon runner-up wore down Medvedev 6-7 (2-7) 6-4 6-2 in a sapping second-round encounter played in searing heat and humidity.

After losing the opening set in a tiebreaker, Kyrgios had to dig deep and turned the match around with one incredible backhand pass to break Medvedev in the sixth game of the deciding set.

He broke the dispirited Russian for a second straight service game before closing out the match to love after exactly two hours.

The stirring victory was Kyrgios's third from four meetings with Medvedev, 14th win from past 15 matches and second ever over a world No.1 - eight years after conquering Rafael Nadal on his Wimbledon debut as a teenager.

"I've had some success against him in the past and he's beaten me before so I feel like we know each others' games well," Kyrgios said.

"I'm not the type of player who goes into these matches looking at rankings or anything like that.

"It's just who I'm playing and what kind of ball they're giving me and today I had a very clean objective of how I was going to play - a lot of serve and volley, a lot of aggressive play from the back - and I executed better than he did on the day.

"That's all it came down to. He won the first set and I feel like I had opportunities there as well so hopefully I can keep this rolling."

Kyrgios, who faces Australian No.1 Alex de Minaur next for a quarter-final spot, isn't getting carried away despite firming as one of the US Open favourites following his rousing victory over last year's Flushing Meadows champion.

"Look, a grand slam is much, much different to any other tournament," he said.

"If I was in this position of a grand slam, you've still got to win another set and that's not easy at all. He's a machine.

"He's the best player in the world for a reason and at a grand slam he's a totally different beast."

Nevertheless, Kyrgios continues to make a mockery of the rankings and the 27-year-old's latest triumph all but secured the Canberran an all-important seeding for the New York major starting on August 29.

"Look, I feel confident in my body and my mentality going in to the US Open but at the same time there's so much time between then and now," Kyrgios said.

"I've got to focus on this event and then Cincinnati. There's so many things I've got to look forward to. I'm not even going to think about the US Open right now.

"I need to take care of my body."

De Minaur set up a first-time meeting with Kyrgios with a 7-6 (7-4) 7-5 second-round win over Bulgarian Grigor Dimitrov, the 15th seed.

© AAP 2022

Queensland could soon host one of the southern hemisphere's largest wind projects as the federal government commits to fast-tracking its connection to the national energy grid.

The state's Southern Downs renewable energy zone will receive a $160 million federal investment for new infrastructure to connect power generated from wind farms to the grid.

Powerlink, run by the state government, will use the funds to build and operate 65 kilometres of high-voltage overhead transmission lines and two new switching stations.

The landmark agreement between the federal and state governments will deliver more renewable energy to households and businesses in southern Queensland and the east coast, Climate Change Minister Chris Bowen said.

"We are delivering on our Powering Australia plan which includes a major boost to renewable energy supplies to help create jobs and reduce emissions across the nation," he said.

"The best way to put downward pressure on energy prices is to ramp up investment in renewables, transmission and storage."

The investment is the first account between the federal clean energy finance corporation and a Queensland government-owned company.

It is expected to help establish one of the largest wind projects in the southern hemisphere.

Connecting the project to the national electricity market will boost power reliability across the three east Australian states, Queensland Energy Minister Mick de Brenni said.

"It also presents another opportunity to build onshore capability and skill Queenslanders for renewable energy jobs of the future," he said.

© AAP 2022

China's military has "completed various tasks" around Taiwan but will conduct regular patrols, it says.

In a brief statement, the People's Liberation Army's Eastern Theatre Command says its series of joint military operations in the sea and airspace around Taiwan had "successfully completed various tasks and effectively tested the integrated combat capabilities of the troops".

China, furious at a visit to Taipei last week by US House Speaker Nancy Pelosi, had extended its largest-ever exercises around the self-ruled island it claims as its own beyond the originally scheduled four days.

The drills last week included ballistic missile launches, some of which flew over the island's capital Taipei, and simulated sea and air attacks in the skies and waters around Taiwan.

"Theatre forces will keep an eye on the changes in the situation in the Taiwan Strait, continue to carry out training and preparation for combat, organise regular combat readiness patrols in the direction of the Taiwan Strait, and resolutely defend national sovereignty and territorial integrity," the Eastern Theatre Command statement said.

There was no immediate reaction from Taiwan.

A source briefed on the matter told Reuters earlier on Wednesday that Chinese navy ships remained active off both Taiwan's east and west coasts.

As of Wednesday afternoon, Chinese navy activities near the median line, an unofficial buffer in the Taiwan Strait, continued, and Chinese fighter jets also continued to fly close to the line, the source said, adding Taiwan has dispatched planes and ships in the area to monitor the situation.

Video released by Chinese state broadcaster CCTV on Wednesday showed Chinese fighter jets scrambling and refuelling mid-air, as well as navy ships on what it said were drills around Taiwan.

The Eastern Theatre Command said the drills were focused on blockades and resupply logistics, "under a complex electromagnetic environment to refine joint containment and control capabilities", according to CCTV.

Andrew Hsia, deputy chairman of the Kuomintang, Taiwan's main opposition party, flew to China on Wednesday for what his party said was a pre-arranged trip to meet Taiwanese businesspeople.

Hsia told reporters he was not going to Beijing and did not have any official meetings arranged.

However, Taiwan's government expressed "regret" at the trip coming amid the Chinese drills.

"At this moment, the Kuomintang still insisted on going to China, disappointing our people," said Taiwan President Tsai Ing-wen.

Taiwan's foreign minister said on Tuesday that China was using the military drills as a game-plan to prepare for an invasion of the democratically governed island.

Pelosi, a long-time China critic and a political ally of US President Joe Biden, visited Taiwan last week on the highest-level visit to the island by an American official in decades, despite Chinese warnings. She said her visit showed unwavering US commitment to supporting Taiwan's democracy.

China says its relations with Taiwan are an internal matter and it reserves the right to bring the island under its control, by force if necessary. Taiwan rejects China's claims, saying only Taiwan's people can decide their future.

© RAW 2022