Red Bull's Daniel Ricciardo wins Chinese Grand Prix

Red Bull driver Daniel Ricciardo yanked off his right shoe, poured champagne into it as he stood on the podium, and then drank up to his unlikely victory in Sunday's Chinese Grand Prix.

The Australian started from the third row, but took advantage when the safety car came out on the 31st lap to allow him to get fresh, soft tires when the other leaders were running on worn rubber and couldn't get in quickly to change.

Ricciardo got quicker and quicker and took the lead on the 45th lap of the 56-lap race, overtaking Valtteri Bottas with a dive on the inside past the Mercedes driver.

"A lot of time you only get one chance, so I make the most of every opportunity," Ricciardo said.

Bottas called it a "fair" pass and finished second with Ferrari's Kimi Raikkonen in third.

Ferrari driver Sebastian Vettel (5) of Germany leads the field at the start of the Chinese Formula One Grand Prix at the Shanghai International Circuit in Shanghai, Sunday, April 15, 2018. (AP Photo/Andy Wong)

Ferrari driver Sebastian Vettel (5) of Germany leads the field at the start of the Chinese Formula One Grand Prix at the Shanghai International Circuit in Shanghai, Sunday, April 15, 2018.  (AP Photo/Andy Wong)

Red Bull's victory leaves the Formula One season in a scramble after just three races. There's no clear favorite and plenty of questions.

Mercedes, the power of the last few seasons, has not won any of the first three races with defending champion Lewis Hamilton and Bottas at the wheel. Hamilton finished fourth on Sunday and was never a factor.

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Sebastian Vettel of Ferrari won the first two races in Australia and Bahrain, but failed to capitalize on his pole position in China. He led for the first 20 laps but fell back, first due to a pit stop and then after a collision with Red Bull's Max Verstappen on the 43rd lap. Vettel finished eighth.

The Ferrari driver still leads the season standings with 54 points after three races.

Hamilton, the four-time and defending champion, improved his season points total to 45. Bottas has 40 points in third place and Ricciardo is fourth with 37.

The car of Red Bull driver Daniel Ricciardo of Australia is pushed back to his team's garage after an engine trouble during the third practice session for the Chinese Formula One Grand Prix at the Shanghai International Circuit in Shanghai, Saturday, April 14, 2018. (AP Photo)

The car of Red Bull driver Daniel Ricciardo of Australia is pushed back to his team's garage after an engine trouble during the third practice session for the Chinese Formula One Grand Prix at the Shanghai International Circuit in Shanghai, Saturday, April 14, 2018.  (AP Photo)

Bottas acknowledged Mercedes still "has work to do."

"It's so close between Red Bull, Ferrari and us," he said. "Just depending on the conditions and whoever gets the tires and the set up right. It's very close depending on the conditions."

This was Ricciardo's sixth career win, and the first one since a victory a year ago in Azerbaijan, the venue for the next race in two weeks.

What a difference a week makes.

In Bahrain a week ago, Ricciardo and Verstappen were out after the first several laps on a frustrating weekend for Red Bull.

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"This sport's crazy," he said. "A week ago I was with my head down after two laps; frustrated at the sport, frustrated at all the variables that are involved in the sport. Sometimes I question why I chose this sport. It does get you down a lot. But then you have a day like this it's worth all those bad ones."