Andrey Rublev saved three match points in a deciding-set tiebreaker to beat Bernabe Zapata Miralles in the first round of the clay-court Hamburg European Open on Wednesday, as top-seeded Casper Ruud also won in three sets. Rublev won 5-7, 6-1, 7-6 (7) after recovering from 4-6 down in the tiebreaker and admitted he had struggled…