Can Oncu was quickest during FIM Supersport World Championship Free practice Friday morning at Circuito Estoril, in Portugal. Riding his Pata Yamaha Ten Kate Racing YZF-R9 on Pirelli control tires, the Turkish rider covered the 2.60-mile (4.18 km) road course in 1:39.084, topping the field of 34 riders.

Lucas Mahias was the best of the rest with a 1:38.418 on his GMT94 Yamaha YZF-R9.

Philipp Oettl was third with a lap time of 1:39.526 on his Feel Racing Team Ducati Panigale V2.

Former MotoAmerica Supersport regular Valentin Debise was 8th with a 1:39.656 on his Eastroc Evan Bros ZXMOTO 820RR.