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

EGTB: win in 1 half-moves

# move score
1 Rxh8 win in 1 half-moves
2 K3xh4 loss in 2 half-moves
3 K5xh4 loss in 2 half-moves
4 Rxh4 loss in 2 half-moves