In 2017, Brazilian superstar Neymar became the most expensive player on the planet when PSG snapped him from Barcelona for 222 million euros but he has failed to help PSG break their Champions League duck during this period.
Neymar is desperate to leave PSG and return to Barca after the deal failed to materialise in the recently concluded transfer window.
Djokovic, the champion in Doha for the past two years, pulled out because of continuing problems with a niggling elbow injury.
Khelaifi, a Qatari, "wanted to be heard as soon as possible by the Swiss attorney general's office", the lawyer said, adding that his client "denies any corruption" over the sale of rights for future World Cups.
