In Group A, hosts Qatar meet Senegal at 1 o'clock and it's Ecuador versus the Netherlands at 4
Richarlison scored twice, including a brilliant overhead kick, as Brazil began their World Cup challenge with a 2-0 win over Serbia in Group G.
Their star player Neymar picked up an ankle injury and that will be assessed over the next 48 hours.
Today, Wales take on Iran in Group B from 10am Irish time, with England to face the USA in that Group at 7.
England captain Harry Kane is fit to start.
Wales drew their opening match with the USA.
In Group A, hosts Qatar meet Senegal at 1 o'clock and it's Ecuador versus the Netherlands at 4.
Oisin Mullin is to play Australian Rules Football next year.
Mayo's two-time young footballer of the year - who is 22 - is to leave Ireland to join Premiership champions the Geelong Cats.
Irish pair Zach Tuohy and Mark O'Connor were a part of that winning side and will be Mullin's team-mates in Melbourne.
Cavan's Leona Maguire is just two shots off the lead heading into the second round of the Open de Espana.
She is 5 under par, with Cara Gainer out in front on 7 under.
John Murphy has slipped back to 2 under on day 2 of the Joburg Open in South Africa.
Dan Bradbury leads on 13 under, with Tom McKibbin to begin his second round from 3 under par.
Ulster host Zebre in the United Rugby Championship this evening.
Kick off at Kingspan Stadium in Belfast is at 7.35.
The DHL Stormers host the Scarlets from 5-o'clock.
There are 8 races on the all weather card at Dundalk today from 5pm.