Organizers contacted 20-time Grand Slam champion.
Empowered by Basel title run, Federer aims for 100th in Paris.
Alexander Zverev is happy about the state of his game and the results of his 2018 campaign.
The 31-year-old was all smiles and her husband was "over the moon."
Benoit Paire reveals WTA player he loves.
Argentine media reports that Del Potro will miss this year's #NittoATPFinals after qualifying for the first time since 2013.
The two icons are scheduled for an appearance in Saudi Arabia in December, but recent events have put it into question.
