The Insider Team takes a moment to catch their breath after a Day 1 at the US Open, which saw Maria Sharapova summon her vintage best to oust No.2 Simona Halep in front of a sellout crowd on Arthur Ashe Stadium. On a day that also saw No.7 Johanna Konta bow out to the talented Aleksandra Krunic, what does it all mean for the bottom half of the draw, which is now led by No.3 Garbiñe Muguruza?

Subscribe to the WTA Insider Podcast on iTunes, Stitcher, TuneIn or any podcast app of your choice. Like what you hear? Be sure to leave us a review on iTunes.  Follow WTA Insider on Twitter @WTA_insider and follow all our work at www.wtatennis.com.