It wasn’t a happy March for ATP tennis. Although the tournaments took place with normal regularity, there were several unsportsmanlike incidents that affected the tournaments that followed the Australian Open. Alexander Zverev opened the dance: during the Acapulco tournament, in the doubles match, the German tennis player hit the judge’s chair with his racket.For the number three in the world, the sanction was certainly not lacking: fine and disqualification with conditional, that is, these will be applied when it occurs to another unsportsmanlike conduct. Not only Zverev, but there were other episodes: Kyrgios against Sinner at the Miami Open; Jenson Brooksby who, …