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 Kg6 draw
3 Kg7 draw
4 Rg7 draw
5 Kg5 loss in 10 half-moves
6 Kh5 loss in 4 half-moves
7 Ra7 loss in 4 half-moves
8 Rf7 loss in 4 half-moves
9 Rh8 loss in 4 half-moves
10 Rc7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves