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

EGTB: win in 1 half-moves

# move score
1 Rxb8 win in 3 half-moves
2 Bxb8 loss in 2 half-moves
3 Rxa4 loss in 2 half-moves
4 Rxg4 loss in 2 half-moves