No. 1 seed Daria Kasatkina of Russia dropped a first-set tiebreak before coming back to win a marathon over Belgium’s Greet Minnen 6–7 (4), 6–4, 6–2 on Monday in first-round action at the Championnats Banque Nationale de Granby in Granby, Quebec.
 
Kasatkina won despite committing 12 double faults and Minnen serving five aces. Kasatkina saved six of 10 break points during the two-hour, 57-minute match.
 
Third seed Jasmine Paolini of Italy, fourth seed Anna Bondar of Hungary, fifth seed Nuria Parrizas Diaz of Spain, eighth seed Tereza Martincova of the Czech Republic and 10th seed Marta Kostyuk of Ukraine all won their matches in straight sets….