Click on the third or sixth rank to set the en passant target square.

EGTB: win in 1 half-moves

# move score
1 Rxf6 win in 27 half-moves
2 K5xf6 loss in 2 half-moves
3 K7xf6 loss in 2 half-moves
4 Rxa2 loss in 2 half-moves