US Open - Day 2: Federer, Murray and Kyrgios in action

Federer defeated Mayer 6-1, 6-2, 6-2, and Murray got past Kyrgios in 4 sets to advance to the 2nd round.

So excited to be at the #usopen! @mhingis @mirzasania pic.twitter.com/edsN0ZY9dH
— US Open Tennis (@usopen) September 1, 2015

With 34 winners through two sets, #Isner is up 6-2, 6-3. Can he put away #Jaziri in straight sets? #usopen pic.twitter.com/Qq760Vpfnn
— US Open Tennis (@usopen) September 1, 2015

That match ended 6-2 and 3-0 to the Romanian.

Earlier today, New Zealand's Maria Erakovic retired due to an injury against World Number 2, Simona Halep.

Meanwhile, at the Louis Armstrong Stadium, American John Isner leads Malek Jaziri 6-2, 6-3

Scratch that, Wozniacki claims first set 6-2 against Loeb.

Currently, however, at the Arthur Ashe Caroline Wozniacki is fighting American Jamie Loeb. Wozniacki leads 5-2 currently on 'advantage'.

Simultaneously, World Number 5 Petra Kvitova takes on Germany's Laura Siegemund.

Australian bad boy Nick Krygios takes on World Number 3, Andy Murray later on.

Former World Number 1 Roger Federer takes on Argentina's Leonardo Mayer little later.

Day 2 of the US Open is underway!