The Masters 1000 tournament in Shanghai has been marked by controversy, with Alexander Zverev criticizing officiating after his match against Tallon Griekspoor. The world number 3 expressed frustration over perceived mistakes by umpire Mohamed Lahyani, stating, “You’re ruining the tournament,” referencing previous errors made by officials in matches involving Frances Tiafoe and Stan Wawrinka. Despite the turmoil, Zverev won the match 7-6, 2-6, 7-6 and will face Belgium’s David Goffin next. #masters1000,#alexanderzverev,#tennisnews