Edoardo Colombi ended the opening day at Snetterton on top after beating Richard Cooper to the fastest lap by 0.635secs.
The Italian set the pace as Ash Barnes clocked the third best lap with Harrison Dessoy fourth and Aaron Silvester fifth.
Pirelli National Sportbike with Moneybarn Vehicle Finance, Combined classification:
1. Edoardo Colombi (Gradara Corse Asd) 1min 57.193s
2. Richard Cooper (PHR Performance Triumph) +0.635s
3. Ash Barnes (Raceways Yamaha) +1.302s
4. Harrison Dessoy (Rev2Race Yamaha) +1.829s
5. Aaron Silvester (TS Racing) +1.844s