Parental behavior is a protective or risk factor in the developmental of difficulties in the psychosocial functioning of an individual. In recent years more attention has been focused on the role of the father in predicting the child's well-being. In this study participated 259 fathers from Varaždinska and Osječko-baranjska county. The self-assessments of the fathers were paired with the assessments of the child's well-being, fulfilled by the teachers. In this way, 258 students of the 6th grade of primary schools were included, i.e. 141 girls and 117 boys. The data were collected as part of the Croatian Science Foundation's Child Well-being in the Family Context project (CHILD-WELL). The URP29 questionnaire was used as a measure of parental behavior (parental support and restrictive control), which was completed by fathers, and the SDQ questionnaire was used as a measure of the child's well-being, apropos strengths (prosocial behavior) and difficulties (emotional and behavioral problems), which was completed by the teachers. The results indicate that boys and girls differ in well-being. Boys have more pronounced behavior problems than girls, and girls behave more prosocially than boys. Regarding the characteristics and parental behavior of fathers, it was found that fathers show more restrictive control towards boys than girls, but equally warmth towards boys and girls. Furthermore, it was determined that parental support was a significant positive predictor of emotional problems, which explained 2.2% of the variance of emotional problems, and that restrictive control was a significant negative predictor of prosocial behavior, which explained 1.9% of the variance of prosocial behavior. Ultimately, the obtained results indicate an insignificant moderating effect of the child's gender in predicting the child's well-being based on the father's characteristics and the parents' behavior.