Speaking to the club’s in-house media after the match, external, the Diamonds first team manager Elliot Sandy said the referee stopped the match while the culprit was removed from the ground.
He said the match resumed, but that at half-time, she told the team she did not feel comfortable continuing.
“I obviously condemn what’s happened today; there’s no place for it in football and I feel really sorry for her that it has actually happened,” said Sandy.
A spokesperson for Coventry Sphinx said the club would conduct an investigation and would respond to queries from the league and the Football Association (FA).
They also they were “deeply concerned” by the reported commends, adding: “Discriminatory language or actions have no place at Coventry Sphinx, nor should they in any walk of life.”
The two sides both play in the Northern Premier League Midlands Division.
Diamonds said any supporters who witnessed the incident or who had information should contact them.
The BBC contacted the FA for comment.
