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

EGTB: win in 1 half-moves

# move score
1 Rxh4 win in 39 half-moves
2 Kgxh4 loss in 2 half-moves
3 Khxh4 loss in 2 half-moves
4 Rxe8 loss in 1 half-moves