FACTBOX-Tennis-Jennifer Brady v Naomi Osaka

A look at the key facts and records of American Jennifer Brady and Japan's Naomi Osaka before their U.S. Open semi-final on Thursday (prefix number denotes seeding): 28-JENNIFER BRADY

Age: 25 WTA ranking: 41

Grand Slam titles: 0 Career WTA titles: 1

2019 U.S. Open performance: First round Best U.S. Open performance: Semi-final (2020)

ROAD TO SEMI-FINAL First round: Anna Blinkova (Russia) 6-3 6-2

Second round: Catherine Bellis (U.S.) 6-1 6-2 Third round: Caroline Garcia (France) 6-3 6-3

Fourth round: 17-Angelique Kerber (Germany) 6-1 6-4 Quarter-finals: 23-Yulia Putintseva (Kazakhstan) 6-3 6-2

Brady, who has yet to drop a set at this year's U.S. Open, has used her massive forehand and impressive court coverage to good effect during her run to the semi-finals as she chases a maiden major. The aggressive American, whose lead-up to the U.S. Open included a maiden WTA title at Lexington, has beaten Osaka previously but lost in straight sets in their last meeting at Charleston two years ago.

4-NAOMI OSAKA Age: 22

WTA ranking: 9 Grand Slam titles: 2 (Australian Open 2019; U.S. Open 2018)

Career WTA titles: 5 2019 U.S. Open performance: Fourth round

Best U.S. Open performance: Winner (2018) ROAD TO SEMI-FINAL

First round: Misaki Doi (Japan) 6-2 5-7 6-2 Second round: Camila Giorgi (Italy) 6-1 6-2

Third round: Marta Kostyuk (Ukraine) 6-3 6-7(4) 6-2 Fourth round: 14-Anett Kontaveit (Estonia) 6-3 6-4

Quarter-finals: Shelby Rogers (U.S.) 6-3 6-4 The Japanese former champion has largely looked solid this year as she continues her quest for a second title at Flushing Meadows but faces a potentially tricky test against Brady.

Osaka's left thigh has been strapped during her matches as she continues to manage a hamstring injury, but the 22-year-old has shown little signs of discomfort, moving superbly against her opponents. HEAD TO HEAD: Tied at 1-1

2018 Osaka d Brady 6-4 6-4 (Charleston, clay) 2014 Brady d Osaka 6-4 6-4 (New Braunfels, hard) (Compiled by Shrivathsa Sridhar in Bengaluru; Editing by Peter Rutherford )