The primary goal of a baseball player at bat is to successfully reach base or score runs for their team. This is achieved by hitting the ball effectively and making strategic decisions based on the game situation. Players aim for solid contact with the ball to maximize their chances of getting on base, whether that means achieving a hit, drawing walks, or executing strategic plays like sacrifices. A successful at-bat can significantly influence the game's outcome by advancing runners and creating scoring opportunities, making the role of the batter vital to the team's success.