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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rh8 win in 1 half-moves
3 Kg7 win in 3 half-moves
4 Kg5 loss in 2 half-moves
5 Kg6 loss in 2 half-moves
6 Kh5 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Rc7 loss in 2 half-moves
9 Rd7 loss in 2 half-moves
10 Re7 loss in 2 half-moves
11 Rf7 loss in 2 half-moves
12 Rg7 loss in 2 half-moves