The Dutch youngster is remaining coy on his future but hints that he would be interested in a move to Stamford Bridge this summer
Goal exclusively revealed last month that the Blues were close to making the Netherlands international the first signing of Jose Mourinho's second reign at Stamford Bridge.
And the 20-year-old says he is pleased to hear of the Premier League club's admiration for him.
"I'm not doing this now, but I'm flattered by their interest," he said after Jong Oranje's 5-1 victory over Russia in the Under-21 European Championship.
Cor Pot's men sealed qualification for the semi-finals of the tournament in Israel with the win, which followed their 3-2 victory over rivals Germany in their first game.
Van Ginkel scored eight goals in 33 Eredivisie games as Vitesse sealed a place in next season's Europa League with a fourth-placed finish.