Luciano Spalletti wants to keep Ivan Perisic but does not know if Inter will be able to ward off interest in the star forward.
The sought-after Croatia international produced an impressive performance in the Nerazzurri's 2-0 win over Bayern Munich in the International Champions Cup, providing a superb cross for the second of Eder's two goals.
Perisic has been heavily linked with a move to Manchester United after scoring 11 goals in Serie A last season as Inter failed to qualify for European competition.
Spalletti recently explained that Inter allowing Perisic to leave is dependent on them finding a replacement.
But asked again about Perisic's future, he said: "I can't say for sure whether we can keep him or not.
"I've known him for a long time. He's a world-class player. Whether he plays well or not [in pre-season], that will not change my mind.
"Our intention is to keep him if possible."
"This squad has huge margin for growth." 's post- analysis July 27, 2017
Inter's victory over Bayern improved their ICC record to two wins in as many matches after edging Lyon 1-0 on Monday.
Having finished a disappointing seventh last term, Spalletti has been tasked with reinvigorating the 18-time Serie A champions after coming over from Roma and is encouraged by the pre-season signs.
"These are the kinds of challenges we want to have so we can improve ourselves," the Italian said.
"When you play against Bayern, you need to excel from a tactical and character standpoint.
"We played very well in defence and attack. In the second half we could have been a bit [more] aggressive.
"I'm impressed by the players. Everyone is aspiring to improve day after day."
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