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You may want to try and locate any witnesses who can testify as to his ex's location, on the day she made these allegations. If it can be proved she was alone or not being stalked, the order may not be granted. Providing documentation like you have is great to build your defense and to present to the Judge. Moreover, you may want to address the issue about the children, so something can be arranged so he can see them, in an order is imposed.