Park put herself in a bad position by almost hitting her ball in the water next to the green.
On the par-five seventh, a shot that appeared water-bound ended up in a spectator's bag.
Ryu finished with birdies on three of the final five holes, including a hard par-3 No. 17 that has water on three sides of a wide and contoured green along with some deep bunkers. After settling for a double bogey, she was tied with Park and Nataoka for the lead.
After Hataoka was eliminated in the first playoff hole, Park beat Ryu with a birdie to take home about 610 million won in prize money.
Park, who shot a bogey-free 69 in the final round to force the playoff, said her dramatic day felt "like a dream".
Park had a historic rookie year in 2017.
Park had failed to make the cut at five of the 12 events she'd played this season, looking a shadow of her former self heading to the Kemper Lakes Golf Club in IL this week. Despite a 75 in round two, Korda was still able to climb the leaderboard on Sunday with a 68 for her fifth top 10 of the year.
And she continued to head in the wrong direction as the tournament wrapped up at the Kemper Lakes Golf Club early Monday (NZT), with the 21-year-old Kiwi posting a four-over 76 to finish on one over, in a tie for 31st.
Despite her successful debut last season, Park has had an inconsistent second season on the Tour. She fired a first round in the 60s in 10 of her 12 starts.
July 1, 2018; Kildeer, IL, USA; Sung Hyun Park poses with the trophy after winning the KPMG Women's PGA Championship golf tournament at Kemper Lakes Golf Club. While she most likely was going to make the team, there was doubt because Hye Jin Choi was one spot behind her in the world rankings and In Kyung Kim was just two spots behind.
Lydia Ko, of New Zealand, hits on the ninth hole during the second round of the KPMG Women's PGA Championship golf tournament at Kemper Lakes Golf Club in Kildeer, Ill., Friday, June 29, 2018.
But when the day finally ended after a two-hole playoff and a brief storm delay, Sung Hyun Park was the victor.
Ryu took a three-shot lead on Park with a birdie at the 11th but gave back a shot two holes later.
It is truly and global leaderboard as the top five players represent four countries, Canada, USA, South Korea and England.
Angel Yin made seven birdies on Sunday and shot just 1-under and tied for fourth, her best finish in a major championship. I did 100 percent effort every shot, every putt.
After clinching her second career LPGA major title, South Korean star Park Sung-hyun "couldn't help" herself, as the usually stoic golfer displayed a rare outpouring of emotion.
Screen Time will help users keep track of their smartphone usage - and even set limits on app usage across certain categories. Users who sign up on for the free Apple Beta Software Program can gain access to iOS 12 beta 1 and tvOS 12 beta 1.
ESPN's Adrian Wojnarowski added his voice to the James situation and specifically the possibility of him with the Lakers. The Los Angeles Lakers had a formidable starting frontcourt last season with Julius Randle and Brook Lopez.
As awareness about the need for a healthy lifestyle increases, youngsters as well as senior citizens are keen on following yoga. Modi said yoga presents a ray of hope for future of the world. "Yoga is not just a set of exercises that keeps the body fit".
England manager Gareth Southgate did not confirm or deny any team news at his press conference but was full of praise for Kane. Harry Kane's involvement is one of the tricky decisions facing Southgate.
Furthermore, President Donald Trump has said that some criminals are using children to try to cross the border with impunity. A bipartisan group of 75 former USA attorneys are also calling on Sessions to put an end to the practice.
Today, June 21, is summer solstice and in the United Kingdom , the exact time of the solstice is 11.07am. People enjoy an afternoon along the boardwalk at Coney Island on a hot day on June 14 in New York City.
But by introducing Bluetooth features, Samsung has the potential to make it a phenomenal addition to the Galaxy Note line. We already know the Note 9 will be announced on 9 August in NY (we've collected all the rumours on that over here).
Almost 100 civilians have been killed since the assault began on June 19 with airstrikes, rocket fire and crude barrel bombs. But Russian negotiators had still not arrived several hours after another meeting was due to begin on Saturday, Jabawi said.
For the second time this year, actress Heather Locklear has been arrested for battery on a police officer and emergency personnel. Still, the source says Locklear's friends and family are hopeful that she will take her latest expected stint in rehab seriously.
In 2013, Jackson appeared on CNN show Piers Morgan Tonight and claimed to have no regrets about the way he raised his children. Just this past weekend, Janet Jackson hailed her father during an acceptance speech at a Radio Disney awards ceremony.
Last year's victor , a delightfully floppy and seemingly half-melted Neapolitan Mastiff named Martha, didn't compete this year. Some of this year's contestants had hairless bodies, others had lolling tongues.
Belgium have avoided another World Cup shock after coming from behind to beat Japan 3-2 in a thrilling last-16 clash. De Bruyne advanced the ball with a handsome push, making a flawless lead pass to Jan Vertonghen with room to run.
Many haven't had a chance to take the gender-segregated driving courses that were first offered to women only a few months ago. Saudia Arabia's transformation, including allowing women greater freedoms and equality, may be essential to its economy.
Fans celebrate Mexico's win against Germany as they watched it on an outdoor screen in Mexico City's Zocalo on June 17. Attention now turns to England as they prepare for their opening World Cup fixture against Tunisia on Monday.
By brawling with America's friends, critics say , Trump has squandered an opportunity to build a united front against China. Traders are reacting to retaliatory events and the imposition of fresh tariffs at the end of the week.
The president reversed the family separation policy last week but the re-unification of separated families remains an issue. "I'm here to help and support you and give my help, whatever I can, on behalf of children and the families", she added.
Chelsea and Villarreal are reportedly set to go head-to-head in the race to sign Napoli centre-back Raul Albiol . Chelsea have agreed compensation terms with manager Antonio Conte and his backroom staff.
Sweden and Germany are tied at 3 points, so a Mexico win or tie will automatically send them into the elimination stage. Captain Andreas Granqvist puts the ball beyond the reach of Guillermo Ochoa to double the advantage for his side.
Joining Dhoni on the sidelines were Shikhar Dhawan and, as expected, the two opening bowlers Jasprit Bumrah and Bhuvneshwar Kumar. Perhaps it was a marker of this crucial impending assignment that India chose to stay on and practice in London on Monday.
Apart from the colourful lines it is hard to tell where the hell you are most of the time which is the part that I dislike. A wheel then came off Sergio Perez's Force India vehicle at speed on the Mistral straight in the late afternoon.
What can happen? Argentina need to beat Nigeria on Wednesday morning and cross their fingers that Croatia do not lose to Iceland . Serbia must beat Brazil to qualify but a draw could see them through if the Swiss are beaten by Costa Rica by more than one goal.
The move puts more pressure on Sony , which has remained mum on the possibility of further opening up cross network play. Sony has ignored pressure from the public and from game makers regarding opening the PS4 to cross-platform play.
Senegal's 2-1 victory against Poland saw the end of the first round of the group stages and we have seen a lot already. The forward trained with his team-mates in Sochi on Tuesday but hobbled away from the session after only 15 minutes.