Andre Agassi is back on the ATP Tour. On Sunday morning at 10:00 AM the eight-time Grand Slam champion headed into the Rolex Paris Masters Centre Court with Grigor Dimitrov and his coach Dani Vallverdu, for a training session with the world No.

1 Rafael Nadal. Agassi stayed on the court for the whole practice and spoke with Dimitrov and Vallberdu during the breaks. The session ended at midday, as the Frenchmen Lucas Pouille and Jo-Wilfried Tsonga planned to practice there.

Also, Pouille's big team made up of Emmanuel Planque, Tommy Haas and Thierry Ascione were there. Agassi worked with Novak Djokovic from mid-2017 at the French Open until this year's Indian Wells. Then the Serb returned with his old team - including coach Marian Vajda - and split with both Agassi and Radek Stepanek.

On Twitter, the Simona Halep's coach Darren Cahill explained how Agassi and Dimitrov came to work together: 'He’s been helping Grigor recently. Flew to Paris to watch him play and help out', Cahill wrote. It's unclear if it will be a long relationship, as Agassi lives in the United States spending time with his family and Foundation, but he may really help the Bulgarian who is set to leave the top 20 rankings after the ATP Finals as he did not qualify there being the defending champion.

Agassi didn't get paid by Djokovic as the American did not want to, who knows that he may do the same with Dimitrov. Dimitrov will pair up with Fabio Fognini in doubles, they will face Horia Tecau and Jean-Julien Roger in the first round.

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