At first, Jaume Munar thought Alex de Minaur had feet of clay when his old childhood opponent would flounder on the red stuff.
But years later, he has now learned to be applaud just how well the Australian No.1 has adapted to life on the surface that natural Spanish clay-courters like him used to consider their stronghold.
Indeed, Munar is so impressed by de Minaur's strides on the clay, he fancies he will have to raise his game to new levels to topple the ever-improving Sydneysider in their second-round clash at the French Open on Thursday.
