The problem of animal intruderscame to a headin 1999 when German players Boris Becker and Nicolas Kiefer were twice dive-bombed from the grandstand roof by pigeons.

• 动物入侵的问题在1999年达到极致。在两名德国选手博里斯·贝克尔和尼古拉斯·基弗的比赛中，鸽子两次从正面看台的顶棚俯冲下来"轰炸"球场。