Computer wins. Better luck next time.
O | X | X ---+---+--- O | O | O ---+---+--- | X | X
Moves: X9 O5 X2 O1 X3 O6 X8 O4
New game | Computer goes first | Undo
Play the recursive version ↻
No JavaScript. Every square is a link. Works in curl, lynx, or a browser.