Adam Yates (Orica-GreenEdge) took the victory in the one-day GP Industria & Artigianato in Larciano, Italy, on Sunday.
The 21-year-old British rider sprinted just ahead of Davide Formolo (Cannondale) at the end of the UCI 1.1-ranked, 199.2km race, with Francesco Bongiorno (Bardiani-CSF) in third.
It's another win for Yates, having notched up overall success in the Tour of Turkey earlier this year.
“Coming from the track background I am still pretty quick in these little finishes, especially when it is just climbers,” Yates said via his Orica-GreenEdge team.
“I raced Formolo quite a lot last year because he was an under 23 as well so obviously I knew him from that.
“Obviously there is always a doubt but in the back of my mind I knew I had a good advantage over him and it obviously came off.”
Yates has just taken part in an altitude training camp with his team ahead of starting the Vuelta a Espana at the end of August, his first Grand Tour.
British Orica-GreenEdge rider Adam Yates to make Grand Tour debut in 2014 Vuelta a Espana
British rider Adam Yates looking to make his mark in the Criterium du Dauphine after winning the Tour of Turkey
All-British day at Tour of Turkey as Adam Yates and Mark Cavendish triumph in Istanbul
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