The footage is from the athlete's 2005 reality TV series, Venus and Serena: For Real, and sees the then-couple in a heated discussion over their long-distance relationship while watching Venus Williams' tennis match.
On Wednesday, Olivia Munn and five other actresses accused Ratner of sexual harassment or misconduct in a Los Angeles Times story. His attorney denied the claims on his behalf. One day later, Ratner sued Melanie Kohler, who made rape accusations on Facebook, for defamation.
In the 90-second clip, Ratner continuously touches Williams before saying, "Give me some love. Show me that you care."