スーパースポーツ世界選手権
After failing to secure a ride for 2018 Moto2 season, Cortese signed a deal with Kallio Racing to race in Supersport World Championship, aboard Yamaha YZF-R6. He won 2 races at Aragon and Donington Park, securing 8 podium finishes and became the champion of 2018 Supersport World Championship in his maiden season.