The Englishman, who is out of contract in 2022, reportedly wants to play for a Champions League club next season.
However, Hasenhuttl says if Ings wants to play in Europe's top competition, he should help Southampton finish in the top four of the Premier League this term.
Hasenhuttl told reporters: "I think if he wants Champions League football [through a transfer] he must score 10-15 goals more for us this season and then we have a chance to go there.
"It's not impossible I think."
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