Germany’s Angelique Kerber began her reign as world number one in imperious style battling past a determined Karolina Pliskova 6-3 4-6 6-4 to win the US Open final and claim her second grand slam title of the year.

Kerber, who officially takes over from Serena Williams as the world’s top ranked player today, underlined her number one status displaying the heart of a champion as she fought off a fierce challenge from Czech 10th seed Pliskova on a steamy evening at the Arthur Ashe Stadium.

The 28-year-old began the grand slam year beating Serena Williams to lift the Australian Open title and celebrated again last weekend when she became the first German to win the US  Open in 20 years.

Kerber recovered from a break down in the third set, pouncing on her wilting opponent with two breaks in the third set to end a compelling, high-quality battle of attrition that stretched for two hours and seven minutes.

“It’s just amazing,” a beaming Kerber, told an adoring crowd after being handed the winner’s cheque of $3.5 million.

“I won my second grand slam in one year. That’s the best of my career. Actually just incredible.”

Pliskova, who arrived at Flushing Meadows with a reputation of grand slam under-achiever having never before been beyond the third round of the major, shed that label by making it all the way to the final and taking on back-to-back world number ones.

After beating top ranked Serena Williams in the semi-finals to end the American’s record-equalling 186 consecutive weeks stay at the top of the rankings, the big-hitting Pliskova, who has led the WTA Tour in aces the last two seasons, attacked her successor in the final but could not break down the tireless German’s defence.

“You cannot compare those two (Serena Williams and Kerber),” explained Pliskova.

“The game is totally different. The persons as well. Serena is going for every shot.

“With Angie, you cannot wait for mistakes. She doesn’t give you anything. I have to be the one who is aggressive. I beat very good players.

“It was always my goal to pass the third round and I made it to the final.”

Kerber admires compatriot Steffi Graf, but is blazing her own trail.

Comparisons, though, are in-evitable after Kerber became the first German to win the US Open since Graf claimed the last of her five crowns here in 1996.

“She was always my idol and I told her so many times,” said Kerber, adding that Graf had sent her a text wishing her luck.

“For me it’s really important to go on my own way.”

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