Muguruza eased into an early 4-1 lead and had three break points for 5-1, but Kvitova held firm and clenched her fist after a forehand victor kept her in touch.
Not since 17-year-old Michael Chang 28 years ago had a younger player cracked the fourth round in NY. She served for the first set at 6-5, got broken, was down 0-2 in the tie-breaker and yet stole it.
Maria Sharapova has been knocked out of the U-S Open. "I just knew it would be about a few points".
Moriya on heels of leader Lewis at Portland Classic
In a statement posted to Twitter, the 32-year-old said: "It has been so hard being away from home and my family the last week ". Lewis fired a bogey-free round yesterday, with eight birdies and no bogeys. "I feel like I have a solid game plan", she said.
This is the most significant victory for Kvitova since she returned to action after needing surgery on her racket-holding hand for cuts from a knife-wielding intruder at her home in the Czech Republic in December. "She played the final of the Wimbledon". Sharapova's gone. Halep's out. Luckily I found it in a grand slam.
Cilic won the 2014 title at Flushing Meadows. Next for Williams will be a showdown against No. 13 Petra Kvitova, a two-time Wimbledon victor, who eliminated reigning Wimbledon champion Garbine Muguruza 7-6 (3), 6-3 on Sunday night.
The only past Grand Slam champion in the lower half of the U.S. Open's men's draw is in trouble.
Now she is into the second week at a major for the first time since the 2015 French Open.
Kvitova never faced a break point Friday and raced through the first set in 26 minutes.
Carreno Busta compiled an impressive disparity of 32 winners to only 13 unforced errors Friday.
Shapovalov is trying to become the youngest US men's quarterfinalist since Andre Agassi in 1988.
"Who comes back from a drugs sentence, performance enhancing drugs and then all of a sudden gets to play every single match on center court?"
No. 17 seed Sam Querrey, the only American left, faces No. 23 seed Mischa Zverev at night.
Despite her unfavorable record against Kvitova, Williams will surely appreciate her opponent's ejection of Muguruza, who convincingly beat Williams in July's Wimbledon final and who looked indomitable prior to Sunday.
The 44-person medical team will join 36 current Nebraska National Guard crew members now working in relief efforts. The National Guard took over a private airport in Brookshire, where they are preparing 8,000 pounds of supplies.
Rescue efforts are underway for pets and animals across Texas, with many shelters and good Samaritans helping stranded animals. Both organizations are heading to Texas and Louisiana with a 50-foot animal rescue vehicle and 100,000 pounds of pet food.
It was the type of all-or-nothing assault that has served her well since she first burst on the scene with a 2004 Wimbledon title. But it was like she had never been away as she took her night-time record on the Arthur Ashe Stadium to 18 wins in 18 matches.
On Tuesday evening, hundreds of volunteers gathered at Lakewood Church to help collect and organize donation items and supplies. Pastor Osteen's church is now open for evacuees, and he says flooding inside the church is the reason for the delay.
When Australia was reduced to 9 wickets with 37 runs to win, Cummins switched gears and tried to finish the match on his own. Warner scored 112 off 135, including 16 fours and one six, his 19th century before being baffled by delivery that kept low.
This was by some distance the most entertaining and tensest Test match of the summer. "We're test cricketers for a reason". The Caribbean men produced a masterful run chase to beat the English men by five wickets in an exciting clash.
Two police officers and fire rescue officers used a rubber boat to reach the pair and managed to drag them onto the boat. Harvey has since weakened to a tropical storm, moved back out onto the Gulf of Mexico then made landfall again.
The world No 46 will face either Sweden's Rebecca Peterson or Denisa Allertova of the Czech Republic for a place in the last 32. Juan Martin del Potro, the 2009 champion in NY , starts against Switzerland's Henri Laaksonen.
While Xiaomi has officially confirmed the release date for the Mi Mix 2 , nothing else is now confirmed about the smartphone. According to different social media platforms Xiaomi's Mi Max 2 will be launched in the first half of September .
India have made four changes - Ajinkya Rahane , Bhuvneshwar Kumar , Yuzvendra Chahal , Kedar Jadhav replace K.L. Earlier, he was tied at 99 stumping in the 50-over format with legendary Sri Lankan keeper Kumara Sangakkara.
However, the stigma will stay with him since all of this sexual misconduct headlines are embedded in Google's history. Since the scandal, Olympios said she has been weening herself off the medication and cutting down on drinking.
N. Korea Close to Long Range Missile Capability
North Korean leader Kim Jong Un said the launch was a "curtain-raiser of its resolute countermeasures" against the U.S. Constant North Korean provocations do not seriously disturb Seoul-based foreigners like Matthew Crawford either.
Florida State QB Francois out for season
Less than a minute later, the Tide took back the ball again when Levi Wallace picked off Francois' pass at the FSU 42-yard line. On the same play that Florida State was called for pass interference, Alabama's sideline was hit with a delay of game penalty.
United States vs. Costa Rica
Perhaps the US should be anxious , because there was plenty to be concerned about with regard to this performance. Ureña put Costa Rica on top in the 30th minute by converting a through ball down the right side from Bryan Ruiz .
BRICS Summit begins in China, Modi-Xi likely to meet
China is hosting the annual summit from Sunday till Tuesday, under the theme Brics: Stronger Partnership for a Brighter Future. To date, it has invested in 11 projects, lending $1.5 billion in 2016 and $2.5 billion in loans set for this year.
Los Angeles battles 'largest wildfire in city history'
Los Angeles Fire Department Chief Ralph Terrazas said the number of acres burned in the fire is expected to rise. The city's officials would have to reassess that plan if the winds "just pick up and go wild", he said.
IPhone 8 Gestures Will Replace The Home Button
Given that more than 50% of the company's revenues are generated by the iPhone, it's disturbing news, especially for shareholders. That means that PearlID can be used to unlock the iPhone 8 , authorize Apple Pay purchases, and access secure apps .
USA conducts missile test over Pacific
Tensions between the USA and North Korea have been rising in recent months over Pyongyang's development of its nuclear programme. After North Korea launched a missile over Japan, the Hermit Kingdom threatened more launches into the Pacific.