Transfer market specialist Matteo Moretto is reporting a deal is now close to being sealed.
Thus, the France midfielder will leave Lazio, where he has a deal to 2028, for Istanbul in the coming days.
Fener will invest between €25-30m to acquire Guendouzi potentially this week.
Guendouzi was also interesting Premier League clubs, but Fener are making a decisive move to buy the player outright.
Related：
Lazio
Fenerbahçe
Guendouzi