There was plenty of high-class tennis to enjoy in London's O2 Arena on Sunday despite this match acting as a taster for the evening's main event between Roger Federer and Rafael Nadal.
Staff members say the center, part of a network that includes several others in Spain, is managed by the regional government and works often with professional athletes, including cyclists, track-and-field athletes, soccer and tennis players, providing advice on nutrition and training regimes and top-class fitness equipment.