Kammala wannan jumlar: A 2018, ya kasance tare da Tech 3, wannan lokacin Bo Bendsneyder ya shiga, wanda ya tashi daga Moto3. A farkon rabin kakar, Gardner ya sha wahala kafafu biyu da ƙafar ƙafa a cikin hadarin horo kuma Héctor Garzó ya maye gurbinsa don zagaye a Jerez,
Le Mans, da kuma Mugello.