Lautaro Martinez earned praise from Inter boss Luciano Spalletti after netting a debut goal in a 3-0 friendly win over Swiss side Lugano on Saturday.
Signed from Racing Club this month, 20-year-old Martinez needed just 16 minutes to provide a glimpse of his promise by tucking away a rebound after his initial effort was saved.
The pair were among five new signings to feature for the Nerazzurri, with Stefan de Vrij, Matteo Politano and Kwadwo Asamoah also involved.
Martinez's half-time replacement, Yann Karamoh, sealed the visitors' victory with a second-half brace, suggesting he could improve on the four Serie A starts he managed in his first season at the club.
Captain Mauro Icardi, who has been linked with Real Madrid, sat out the encounter.
"Lautaro did well to keep the ball, put himself about and threaten the goal," Spalletti said after the match.
"He can play with Icardi, and we'll try it out soon depending on how easy it is. There are some other things still to cover and the defensive side to work on."
Both Icardi and Martinez made Argentina's preliminary World Cup squad, but were overlooked for the final 23 as coach Jorge Sampaoli elected to go to Russia with Gonzalo Higuain and Sergio Aguero as the sole centre-forwards.
Now the forward pair will look to enhance their reputations as Inter battle on multiple fronts this season, with a Champions League campaign awaiting as well as the battle to wrest Serie A from Juventus' hands after seven successive Scudetti.
| FT Lugano 0-3 Inter— Inter (@Inter_en) July 14, 2018
An opening pre-season win for Luciano #Spalletti's side, with #Karamoh and #Lautaro both getting themselves on the scoresheet #InterOnTour #110SummerCup #LuganoInter pic.twitter.com/0XhbhRF0EA
They will also face the challenge of outscoring superstar Cristiano Ronaldo, who agreed a sensational transfer to the Old Lady last week.
Inter's tour of Switzerland continues with a clash against Sion on Wednesday.