The Serbian 24-times Grand Slam champion trailed Korda 5-2 in the second set but broke the American as he served at 5-3 and his precise and powerful serving carried him to the finish.
Between them, Alcaraz and Sinner have shared the last six Grand Slam titles and their mesmeric clash last month in the longest-ever French Open final is being touted as one of the greatest of all time.
Gauff seeks to eliminate service errors ahead of French Open tilt
China's Zheng Qinwen reached the semi-finals of the WTA Finals in Riyadh after claiming an impressive 6-1 6-1 win over Italian fourth seed Jasmine Paolini on Wednesday.
Emma Raducanu strides onto the grasscourts of Wimbledon on Monday as the British number one
Jasmine Paolini put on a tennis masterclass to steer Italy to a fifth Billie Jean King Cup title as she beat Rebecca Sramkova 6-2, 6-1 in the second singles rubber to wrap up a 2-0 win over Slovakia in the final on Wednesday.
Poland's Swiatek, who has dropped to fifth in the world rankings, has so far failed to win a title this year despite a few deep runs in tournaments, including the Australian Open semi-finals.
Paul must overcome defending champion Alcaraz in the quarter-finals to keep his quest for a maiden Grand Slam title alive.
Fifth seed Iga Swiatek stages revival to stay in hunt for 4th French crown.
Italy's Sara Errani and Jasmine Paolini beat Mirra Andreeva and Diana Shnaider 2-6, 6-1, (10-7) to win Olympic gold in the women's doubles tennis on Sunday.
World number one Aryna Sabalenka reached the last 16 at the Miami Open when Elena-Gabriela Ruse retired injured on Saturday, while men's top seed Alexander Zverev beat Jacob Fearnley 6-2, 6-4 to reach the third round.
Barbora Krejcikova broke Jasmine Paolini's serve to clinch a 6-4 victory in the deciding set of the Wimbledon women's singles final at Centre Court.
Seventh seed Jasmine Paolini became the first Italian woman to reach the Wimbledon final after defeating Croatian Donna Vekic 2-6, 6-4, 7-6(8) on Thursday in the longest women's semi-final at the All England Club.
Zverev cruised past home favorite Roberto Bautista Agut 6-2, 6-2, while Sabalenka triumphed over qualifier Anna Blinkova 6-3, 6-4.
Former French Open winner Jelena Ostapenko said the partisan fans at the Qatar Open were disrespectful for jeering her throughout her quarter-final match, as she eased to a 6-2, 6-2 win over Ons Jabeur.
Top-ranked Aryna Sabalenka overwhelmed American Jessica Pegula 7-5, 6-2 to win the Miami Open on Saturday, relying on her usual play-book and powerful forehand to win an eighth WTA 1000 title.
Jasmine Paolini is the first Italian player to reach the French Open final since doubles partner Sara Errani in 2012.
Novak Djokovic won 12 of the last 14 games of his match against Lorenzo Musetti to crush the Italian 6-2, 6-2 and move into the quarter-finals of the Miami Open in his best performance since the Australian Open.
Hollywood royalty met tennis royalty at the Wimbledon women's final.
List of Wimbledon women's singles champions after Iga Swiatek beat Amanda Anisimova in the final on Saturday:
Italian surprise package Jasmine Paolini staved off a fightback from fourth seed Elena Rybakina to seal a stunning 6-2 4-6 6-4 win
Elina Svitolina said the supportive presence of husband Gael Monfils meant a lot after the tennis power couple made shockwaves in sync
After successfully defending her Australian Open trophy in January, Aryna Sabalenka won the US Open crown in September for her third Grand Slam title.
Coco Gauff and Katerina Siniakova claimed the French Open women's doubles title after beating Italians Sara Errani and Jasmine Paolini.
Poland will face Italy in their first ever Billie Jean King Cup semi-finals after beating the Czech Republic 2-1 in a hard-fought tie that ended in the early hours of Sunday.
Iga Swiatek cemented her position as the undisputed queen of clay
Here is what you need to know about the year's Australian Open:
China's Zheng Qinwen beat a struggling Elena Rybakina 7-6(4) 3-6 6-1 in a grueling WTA Finals group stage match on Monday, notching her first career win over the Kazakh in their third meeting.
IMAGES from the French Open matches played at Roland Garros on Wednesday.
-French flair topped American firepower as Gael Monfils turned back the clock to dump fourth seed Taylor Fritz out of the Australian Open on Saturday and celebrate his place in the last 16 with a dance on court.
Carlos Alcaraz will be backed to extend his winning run at the Grand Slams to 16 matches following triumphant French Open and Wimbledon campaigns.
IMAGES from Day 9 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Tuesday.
IMAGES from Day 7 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Sunday.
U.S. Open champion Aryna Sabalenka will face world number four Coco Gauff in the semi-finals of the Wuhan Open after both players earned straight-set wins in the quarter-finals on Friday.
Serbia's Novak Djokovic beat Italy's Lorenzo Musetti 6-4 6-2 to reach his first Olympic final on Friday and will bid for gold in a blockbuster clash with Carlos Alcaraz.
Aryna Sabalenka is the red-hot favourite at Melbourne Park, where another victory would give her a fourth major title and widen the gap in the rankings to Poland's Iga Swiatek and Coco Gauff of the United States.
The two cases shocked the tennis world with many fuming at how they were handled by the authorities.
Heading into the final, Gauff had lost the first set in three straight matches and the former U.S. Open champion seemed determined to buck that trend, serving to love in the opening game and breaking early for a 2-0 lead.
No. 1 seed Aryna Sabalenka of Belarus had little trouble getting past China's Qinwen Zheng in a group-stage match at the WTA Finals on Saturday, prevailing 6-3, 6-4 in Riyadh, Saudi Arabia.
Dayana Yastremska upset of twice former champion and 18th seed Victoria Azarenka.