Cincinnati Open LIVE: Cobolli facing Fils in semi-final before Swiatek takes on Pegula

[p][b]16:30 CET - [/b]Welcome back to [b][i]Flashscore[/i][/b]'s Tennis Tracker for a big day of preparation ahead of the final Grand Slam of the year.[/p][p]In the men's draw, it is wide open to see who will lift the title on Sunday. [a href="https://www.flashscore.ca/player/cobolli-flavio/zDtaCcPe/"]Flavio Cobolli[/a] is the highest-ranked player at 10 in the world, but all four left in the tournament have a shot at the crown.[/p][p][a href="https://www.flashscore.ca/game/tennis/arthur-f-IoIhUqIN/cobolli-f-zDtaCcPe/?mid=zaHreHqR"]The Italian takes on Arthur Fils from 19:30 CET,[/a] with [a href="https://www.flashscore.ca/player/arthur-fils/IoIhUqIN/"]Fils[/a] winning both of their encounters in the past, both in straight sets.[/p][image alt="Cobolli - Fils winning probability" id="6fb5361e-9041-47b1-b6e2-9b13b62a8ffb" credit-line="Flashscore" guid="43242d29-386a-49b6-ac82-e56d754da06d" original-width="2160" original-height="2700" /][p]In the other semi-final from 01:30 CET on Sunday morning is an all-American affair between [a href="https://www.flashscore.ca/game/tennis/nakashima-b-ETGnbrpH/tiafoe-f-AHDLJaph/?mid=C40P5wwh"]Frances Tiafoe and Brandon Nakashima[/a].[/p][p][a href="https://www.flashscore.ca/player/nakashima-brandon/ETGnbrpH/"]Nakashima[/a] has been on a tear in recent weeks. He made the final in Montreal last week, falling just short of the win, and he beat [a href="https://www.flashscore.ca/player/fritz-taylor/UH09iaZ6/"]Taylor Fritz[/a] in his last match to make the final four.[/p][p][a href="https://www.flashscore.ca/player/tiafoe-frances/AHDLJaph/"]Tiafoe[/a], though, will be a stern test. He leads the head-to-head 7-1, whilst he has won seven of his 10 matches against fellow Americans this year.[/p][p]Meanwhile, in the women's draw, three stars and one underdog will take to the court.[/p][p]The blockbuster clash is undoubtedly [a href="https://www.flashscore.ca/game/tennis/pegula-j-KdojxrAR/swiatek-i-jNyZsXZe/?mid=lfwx3BtC"]Jessica Pegula vs Iga Swiatek[/a]. The former number one, [a href="https://www.flashscore.ca/player/swiatek-iga/jNyZsXZe/"]Swiatek[/a], has seen her form improve in recent weeks, winning the Canadian Open last time out.[/p][image alt="Pegula - Swiatek win probability" id="ca5c30fe-ddab-4a21-81f9-27e247923645" credit-line="Flashscore" guid="edd5564d-7146-4957-bc61-342bff7426e0" original-width="2160" original-height="2700" /][p]It's been a tough run in Cincinnati for [a href="https://www.flashscore.ca/player/pegula-jessica/KdojxrAR/"]Pegula[/a]. She needed three sets to see off [a href="https://www.flashscore.ca/player/anisimova-amanda/nwkutKbi/"]Amanda Anisimova[/a], and she knows it will be another tough test today, with the head-to-head record favouring the Pole 7-5.[/p][p]In the other semi-final, [a href="https://www.flashscore.ca/game/tennis/bejlek-s-jVCKq0LH/gauff-c-f5BXmEH6/?mid=Yijj9Cqp"]Coco Gauff faces up-and-coming Czech star Sara Bejlek[/a], who took down former Australian Open champion [a href="https://www.flashscore.ca/player/keys-madison/QwU996PK/"]Madison Keys[/a] in the last round.[/p][p]This is just her second WTA semi-final, and she could prove a problem for the American.[/p]