Rennes might need to wait until June 30 before making a move for Udinese defender Nicholas Opoku, Goal understands.
Amiens, where he is presently on loan, have the first option to buy him for €4 million before the temporary deal expires at the end of this month.
The 22-year-old joined the Unicorns in February and made seven appearances, playing for the entire 90 minutes in all of them and getting booked only once.
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His efforts were still not enough as Amiens finished 19th in the abruptly-ended Ligue 1 season with 23 points after 28 games.