The fifth seeded German did not let up and another break confirmed the win in two hours and 40 minutes.
The reigning champions squandered a 2-0 lead as the dogged Koreans earned a point.
Krejcikova became the first player to win both the women's singles and doubles title in Paris since Mary Pierce completed the feat in 2000.
Rangers joined Barca in the last eight despite losing 2-1 at Red Star Belgrade, progressing 3-2 on aggregate.
Eighth seed Casper Ruud rallied from a set down to beat an error-prone Marin Cilic 3-6, 6-4, 6-2, 6-2 on Friday to become the first Norwegian man to reach a Grand Slam singles final and set up a French Open title clash against 13-time champion Rafael Nadal.
Raducanu retires in Rome as back injury persists, Jabeur survives early scare
Raducanu stormed into the third round of the Cincinnati Open
Images from the English Premier League matches played on Sunday night
Six-time World champion M C Mary Kom's (51kg) pursuit of a second Olympic medal ended in the pre-quarterfinals of the Tokyo Games as she went down to 2016 edition's bronze-medallist Ingrit Valencia in a fiercely-fought showdown.
Australian Nick Kyrgios produced another extraordinary performance to demolish compatriot Alex de Minaur 6-2, 6-3 at the Canadian Masters on Thursday, a day after stunning world number one Daniil Medvedev.
Sarita, who got a first-round bye, frittered away a strong start to bow out with a 0-5 loss.
Real Madrid fought back from the brink of elimination to beat Manchester City 3-1 after extra time and 6-5 on aggregate in an enthralling and dramatic Champions League semi-final on Wednesday.
P V Sindhu eased into the second round with a straight-game win after fellow Indian Lakshya Sen showed his mettle with a stunning victory over world No. 10 Japanese Kanta Tsuneyama on the opening day of Indonesia Masters Super 750 in Bali on Tuesday.
Substitute Alexandre Lacazette struck with the last kick of the game to give Arsenal a rollercoaster 2-2 home draw with Crystal Palace in the Premier League on Monday after the visitors had fought back from a goal down.
It was unclear exactly what happened to world number 76 Musetti whose stylish game was threatening to send Djokovic to his earliest Roland Garros exit since 2009.
Nadal said he did not expect to go all the way at Melbourne Park
A summary of Thursday's matches in the Europa League.
The Italian is the youngest winner on the men's tour since Japan's Kei Nishikori won the Delray Beach Open at the age of 18 in 2008.
David Warner (4 off 12), returning to the franchise where he made his IPL debut back in 2009, struggled in his first innings of the season.
Cristiano Ronaldo passed the 800-goal mark for club and country, scoring twice as Manchester United beat Arsenal 3-2 in an incident-packed Premier League match on Thursday.
World number one Novak Djokovic overpowered Dennis Novak after Dusan Lajovic battled past Gerald Melzer and Serbia went on to a 3-0 win in their opener against Group F hosts Austria in the Davis Cup Finals in Innsbruck on Friday.
Legendary South Africa batter Hashim Amla says more "collective experience" in the Indian side was one of the key factors in the visiting side's comfortable victory in the series-opener at Centurion.
When a trial for a murder is going on -- with no end in sight -- more than ten years after the crime took place, it will not feel like the murder happened yesterday.
Rajasthan's feeble middle-order was again exposed as runs came in a trickle in singles and twos.
The winners of the Natural History Museum's prestigious Wildlife Photographer of the Year competition were announced at an awards ceremony in London. American photographer Karine Aigner was announced as this year's Wildlife Photographer of the Year.
Images from the ICC Women's ODI World Cup match between India and New Zealand in Hamilton on Thursday.
Images from Wednesday's Champions League matches, between Real Madrid and Paris St Germain, and Manchester City and Sporting CP
Images from Europa League matches played on Thursday.
Federer, 39, was pushed to the limit in his first match back on Wednesday when he beat Briton Dan Evans in three sets but the Swiss looked well in control in the opening set against the unseeded Basilashvili.
Srikanth made a good start in the second game, moving to 7-3 advantage but Lee once again turned the tables, jumping to 13-9 and kept his nose ahead to eventually shut the doors on the Indian.
RCB will next take on Rajasthan Royals on Thursday here at the Wankhede Stadium in Mumbai.
A summary of Sunday's action at the US Open.
The US team fought back brilliantly after being trounced in Round 1 by India to win the second and the Blitz tie-break 4.5-1.5, emerging victorious in an exciting semi-final in the FIDE Online Chess Olympiad on Tuesday.
Images from Day 6 of the 2022 Australian Open at Melbourne Park on Saturday.
Spain's Paula Badosa ground out a 7-6(4), 6-4 victory over Maria Sakkari at the WTA Finals in Guadalajara, Mexico on Saturday and advanced to the semi-finals with two wins from two matches in Group Chichen Itza after Aryna Sabalenka beat Iga Swiatek.
IMAGES from Day 4 of the Wimbledon Champions at the All England Lawn Tennis and Croquet Club, London, on Thursday
IMAGES from the football matches played across Europe on Sunday.
Peru moved into the semi-finals of the Copa America in dramatic fashion on Friday by beating Paraguay 4-3 on penalties after the two sides drew 3-3 over 90 minutes in an action-packed encounter in Goiania.
Ruthless Ruud topples Shapovalov to win Geneva Open.
The world rapid champion Humpy got the better of Russian 6-5 to set up a last four clash with world No.1 Hou Yifan of China.