Assessing the risk of betting on a favorite in a Grand Slam tournament involves evaluating several key factors, including the player's current form, historical performance on the tournament's surface, head-to-head matchups against potential challengers, and any recent injuries or fatigue. Additionally, it's important to consider external factors such as the impact of weather or crowd support, as well as the psychological pressure of competing in high-stakes matches. Analyzing betting odds can also provide insight into how the public perceives the favorite's chances compared to statistical models, helping to identify potential value bets. Overall, a comprehensive approach that considers both qualitative and quantitative data can better inform betting decisions on tournament favorites.