World number 33 Yulia Putintseva raised information concerns astir a spectator during her first-round lucifer astatine Wimbledon, asking for them to beryllium ejected.
Early connected successful her lucifer against Amanda Anisimova connected tribunal 15, nan 30-year-old complained straight to nan umpire astir a spectator, whom she described arsenic "crazy" and "dangerous".
A nine spokesperson said nan matter was "dealt with".
During a alteration of ends erstwhile trailing 3-0 successful nan opening set, Putintseva, from Kazakhstan, first voiced her concerns.
"Can you return him out, I americium not going to proceed playing until he leaves. These group are dangerous, they are crazy," she said.
She was past seen pointing towards an area of nan crowd and described nan personification arsenic wearing green.
The chair umpire came down onto nan tribunal and said to 3 members of information staff.
When Putintseva was told play would resume, she was heard saying she did not want to do truthful until information had handled it.
"Take him out, because possibly he has a knife," she said.
Putintseva was affectional later successful nan lucifer and went connected to suffer 6-0 6-0 successful 45 minutes.
She did not speak to nan media afterwards.
A spokesperson for nan All England Lawn Tennis Club (AELTC) told BBC Sport: "Following a title astir nan behaviour of a spectator astatine nan lucifer connected tribunal 15, nan chair umpire informed information and nan matter was dealt with."
Anisimova, meanwhile, told nan BBC she believed nan spectator had been saying thing "when [Putintseva] was astir to serve" and added: "I americium judge that we were protected".
Earlier, AELTC main executive Sally Bolton said connected nan taxable of security: "We're well-versed successful nan measures that request to beryllium put successful spot truthful players tin spell astir playing present successful nan assurance they're being good looked after."