Not too long until Serena Williams takes to the court to face Simona Halep. While we await the entrance of the players, here’s a look at why Serena is surprising a few people at this year’s US Open.

WILLIAMS 2-0 HALEP: BREAK! Serena gets the better of the opening exchange as Halep nets before swatting away a forehand drive volley winner. A stunning backhand up the line gives the favourite three break points but she hits a good Halep serve long. Another good delivery up the tee puts the Romanian in touch but she then hits wide and Williams has the immediate break.

WILLIAMS 1-0 HALEP: Serena nets a return on the opening point but then slams down an ace to make amends. Halep is unable to return another biggie but Serena then nets in another short rally. A second ace redresses the balance and a third wins the game. Wow!

Serena Williams to serve.

Simona Halep has won the toss and chosen to receive… Is that a cop out? Doesn’t trust her own serve? A little nervous? Mary Pierce doesn’t like that choice. The other option is to differ. And that doesn’t happen too often.

Here’s the coach on what Simona Halep needs to do to beat Serena Williams tonight. She’s done it before…