Poland’s Hubert Hurkacz moved one step closer to his second Halle Open title when he beat home favourite Alexander Zverev 7-6, 6-4 on Saturday to set up a final against his doubles partner and world number one Jannik Sinner. Sinner beat China’s 42nd-ranked Zhang Zhizhen 6-4, 7-6 to reach the first grasscourt final of his career. Ticking off the milestones …