MELBOURNE, AUSTRALIA (AP) _ Results Monday from Australian Open at Melbourne Park (seedings in parentheses): Jannik Sinner (1), Italy, def. Holger Rune (13), Denmark, 6-3, 3-6, 6-3, 6-2. Lorenzo Sonego, Italy, def. Learner Tien, United States, 6-3, 6-2, 3-6, 6-1.