Looking at the board, I notice my opponent has Xs at the top-right (0,2) and center (1,1), creating a potential diagonal win threat. By placing my O at the bottom-left (2,0), I can block this diagonal threat.

Additionally, this move is strategically strong as it begins forming my own winning opportunity along the leftmost column, where I already have an O in the top-left (0,0). This forces my opponent to respond to my threat in the next move, preventing them from creating new threats of their own.

The bottom-left position (2,0) provides both defensive value (blocking the diagonal) and offensive potential (building toward a column win), making it the optimal choice at this stage of the game.