Carlos Alcaraz has long unbeaten Madrid Open run ended by Andrey Rublev

Carlos Alcaraz surrendered a one-set lead in Madrid to suffer a shock exit (AP Photo/Manu Fernandez)

Carlos Alcaraz’s quest for a third successive Madrid Open title was ended by a shock quarter-final defeat to Andrey Rublev.

The reigning Wimbledon champion was on course to extend his winning streak at the tournament to a record-breaking 15 matches after clinching the opening set.