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

EGTB: win in 2 half-moves

# move score
1 Kd7 win in 1 half-moves
2 Kd8 win in 1 half-moves
3 Ra8 win in 1 half-moves
4 Rb1 win in 1 half-moves
5 Rb2 win in 1 half-moves
6 Rb3 win in 1 half-moves
7 Rb4 win in 1 half-moves
8 Rb5 win in 1 half-moves
9 Rb7 win in 1 half-moves
10 Kb7 draw
11 Kc7 draw
12 Rb6 loss in 1 half-moves