Computer wins. Better luck next time.
O | | O ---+---+--- X | O | X ---+---+--- O | X | X
Moves: X4 O5 X9 O1 X8 O7 X6 O3
New game | Computer goes first | Undo
Play the recursive version ↻
No JavaScript. Every square is a link. Works in curl, lynx, or a browser.