Winning a child custody case in the United States can be a complex process, and the outcome will depend on many factors, including the specific laws of the state where the case is being heard and the unique circumstances of your case. However, there are a few general strategies that can help you increase your chances of winning custody:

Be a good parent: One of the most important factors that courts consider in child custody cases is the best interests of the child. You can demonstrate that you are a good parent by being actively involved in your child's life, providing a stable and nurturing environment, and maintaining a positive relationship with your child.

Hire a good lawyer: Custody cases can be complex legal proceedings, so it's important to have a skilled and experienced attorney who can represent your interests and advocate for your rights. Look for a lawyer who specializes in family law and has experience with child custody cases.