Rubuta ci gaba don wannan sakin layi - Ba za a iya samun ingancin tuki ba don 2001, Gené ya zaɓi ya sanya hannu tare da Williams a matsayin direba mai gwaji. Ya tuka Grands Prix uku don ƙungiyar a matsayin mai maye gurbin wucin gadi. Na farko daga cikin waɗannan shi ne Grand Prix na Italiya na 2003, inda Ralf Schumacher bai iya yin tsere ba saboda rauni. Gené ya maye gurbin abokin aikinsa da kyau, ya tattara maki hudu don kammala na biyar, amma Schumacher ya dawo cikin motar don tseren na gaba a Amurka. Bayan raunin baya ga Schumacher a 2004 USGP, Gené ya yi tafiya a Faransa
kuma British Grand Prix, amma daga baya ya rasa kujerar tseren zuwa Antônio Pizzonia kuma bai sake yin tsere a F1 ba.