Inter Milan launched their pre-season tour of England with a 2-1 win over second division Leicester City on Monday.
The Serie A side announced on Saturday they were pulling out of the tour because of safety fears following the London bombings earlier this month, only to reverse their decision 24 hours later.
Leicester were sunk by goals from Santiago Solari and Lampros Choutos. Substitute Chris O'Grady replied with a penalty for the home team.
Roberto Mancini's side will continue their four-match tour with a game against second division Crystal Palace on Wednesday.
Coach Mancini said his players were not unduly worried about playing in London.
"From Milan to Rome to London, the fear is the same," he told reporters. "There's not a huge fear because of playing in London, any more than playing in other places."
Inter are also due to play Premier League Portsmouth and second division Norwich City on their tour.
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