Deniz Öncü (Red Bull KTM Ajo) has made a dominant start to the Gran Premio MotoGP™ Guru by Gryfyn de España after topping Moto3™ Practice 1 by over half a second thanks to a 1:46.173. Jaume Masia (Leopard Racing) and World Championship leader Daniel Holgado (Red Bull KTM Tech3) complete the fastest trio on Friday morning.