Keanu Reeves during the Toronto International Film Festival. (Alex Urosevic, Sun Media)

Keanu Reeves' battle with a woman alleging he's the father of her kids is set to drag on - she is contesting the results of a paternity test.

DNA tests have conclusively disproved Karen Sala's claims that the Speed star is the biological dad of at least one of her kids - but the 46 year old is relaunching her bid for financial support, according to Reeves' lawyer.

The actor's attorney Lorne Wolfson tells Eonline.com, "Ms. Sala is challenging the validity of the DNA testing, so the case goes on."

Wolfson is adamant, however, that Reeves will not have to take another test: "If (Sala) wants to challenge it, let her go right ahead. But we are confident that the DNA testing was done properly and that the results are sound."

Reeves maintains he doesn't even know Sala, who asked for $150,000-per-month in child support, retroactive from 1988, and $3 million-a-month in spousal support, effective from 2006.