Flavia Pennetta has announced the birth of a brand-new baby boy.

Flavia Pennetta and husband Fabio Fognini have announced the arrival of their baby boy.

The 2015 US Open champion wrote on Twitter: "Fabio and I are happy to share with you the birth of our son Federico."

Fognini added on his own Twitter account: "Mom and baby doing well."

Congratulations!