Australian Open: Rafael Nadal beats Diego Schwartzman to reach quarter-finals

Number one seed Rafael Nadal progressed to the quarter-finals of the Australian Open by seeing off Argentina's Diego Schwartzman in four sets. Nadal, 31, won 6-3 6-7 (4-7) 6-3 6-3 on Rod Laver Arena to set up a last-eight meeting with Croatia's Marin Cilic. Schwartzman, the 24th seed, proved Nadal's trickiest opponent so far taking a first set of the tournament off the 16-time Grand Slam champion. But Nadal powered through the final two sets to win in three hours,