Marc Marquez expects his younger brother Alex to be his main rival as he chases a seventh MotoGP world championship crown and is convinced it is just a matter of time before the Gresini Racing rider wins his first race in the premier class.

Marc Marquez has extended his winning streak from two to four (two Sprint victories and two Grands Prix victories). The Spaniard carried his dominance from Thailand to Argentina and beat his brother in both races.

Ducati's Marc Marquez won the sprint race at the Argentina Grand Prix on Saturday, ahead of brother Alex Marquez (team Gresini) and Francesco Bagnaia with the second official Ducati. As in Thailand, he was followed across the line by his younger sibling,