Scott Wolf is fighting back against his former partner, noting that he was privy to her plans to spin the alleged false claims against him.

In an exclusive statement to PEOPLE, Scott Wolf speaks out for the first time about his ongoing divorce from estranged wife Kelley Wolf. The longtime couple announced their split after 21 years together on June 10 and Scott has since been granted temporary sole physical custody of his and Kelley's three children.

"There are some significant challenges that are making our situation incredibly difficult and contentious," the "Party of Five" star said.