Popularly known as Coro, Ferran Corominas has made over 250 appearances in La Liga and also has turned out for the likes of Elche, Osasuna, Mallorca and at Espanyol, where he spent the best part of 10 years.
Victoria Azarenka,who had not played since the 2016 French Open, started well before Ozaki moved into a 3-6, 6-4, 5-4 lead in the first-round tie.
Unlike two of his more recent predecessors, Pep Guardiola and Luis Enrique, Valverde is little known outside of Spain having had a far less distinguished playing and managerial career thus far.
Nadal has said that he had no intention of missing out on the Olympic Games in Rio de Janeiro despite battling a wrist injury and fears over the Zika virus.
A seventh straight victory in all competitions left the champions 10 points behind leaders Barcelona who host Rayo Vallecano on Sunday.
Mallorca's 2-0 win over Valencia to extend its excellent start and move up to second place in the Spanish league was overshadowed on Sunday by the postponement of Real Madrid's game at Rayo Vallecano.