Halle Berry's Ex Loses Big in Court

Another win for Halle Berry in her bitter custody battle against her ex -- a judge just shot down Gabriel Aubry's request to ditch his nanny-supervisor while he's with their daughter.

TMZ broke the story ... Gabriel was trying to amend his visitation rights -- which require a nanny to be present while he's with Nahla -- claiming he wanted more alone time with his daughter. Halle opposed the change.

We've learned the judge issued an order yesterday, siding with Halle, upholding the original agreement requiring supervised visitation on Gabriel's part.