Gold medallist Serena Williams of the U.S. poses after winning the women's singles gold medal match against Russia's Maria Sharapova, during the presentation ceremony at the All England Lawn Tennis Club during the London 2012 Olympic Games August 4, 2012. (Photo : REUTERS/Stefan Wermuth)

Serena Williams has become unbeatable.

On a windy Saturday morning, the 30-year-old tennis player won her first Olympics singles gold medal and completed her career Golden Slam by beating Maria Sharapova in women’s final match that took just 1:03.

In the match which finished at 6-0, 6-1, Serena Williams dominated with her serve, and repeatedly blasted winners from the baseline, taking a big swing with almost every stroke despite the strong wind, according to the Associated Press.

No.3-seeded Sharapova could win only one game against No.4-seeded Williams after 45 minutes into the game.

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Williams finished with a stunning record of 10 aces, 24 winners and only seven unforced errors.

"She's playing incredibly confident tennis," Sharapova said of her contender. "Her shots were very powerful."

"Against Maria, if you give her any hope, she's trying to come back," Williams said of Sharapova.

"She won that one game and I could see her pumping her fist, and I was like, 'Oh boy, here she comes.' It was really important

for me to almost go out there and just do everything."

"I don't think it's her," Serena said, adding, "I just think today I played well."

"I was so focused here," Williams said.

"I remember I was serving and I was thinking: 'Serena, this is your best chance to win a gold medal. You're at Wimbledon, you're on grass, you play great on grass, pull it together, just win this.' And that's what I thought about."

Williams also became the second woman to complete the career singles Golden Slam – victories in all four Grand Slam titles and the Olympics. The first Golden Slam went to Steffi Graf who won at the 1988 Olympics.

"Growing up watching her, I always liked her," Williams said of Graf.

"Having a chance to be mentioned in the same name -- I always thought, OK, one person I'll never be mentioned in the same name is Steffi Graf. She's done everything."

Serena Williams is the first ever to score a Golden Slam in both singles and doubles.

After the match, Williams could not hold her excitement and began to dance like a child

"I don't think I've ever danced like that," Williams said.

"I don't even know where the dance came from."

En route to the gold medal, Williams was perfectly dominant – defeating former No.2 Vera Zvonareva at 6-1, 6-0, a former No.1 Caroline Wozniacki with 6-0, 6-3 in the quarterfinals, and the current No. 1 Victoria Azarenka with 6-1, 6-2 in the semifinals.

Williams’ awe-striking achievements this year include victory in 13 straight matches at the All England Club, seven at Wimbledon and six at the Olympics.

Serena Williams is not quite finished yet. She and her sister Venus Williams are playing in the semifinals later Saturday, aiming at a second gold.