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

EGTB: win in 2 half-moves

# move score
1 Kc7 win in 1 half-moves
2 Kd7 win in 1 half-moves
3 Ke7 win in 1 half-moves
4 Rb4 win in 1 half-moves
5 Rb5 win in 1 half-moves
6 Rb6 win in 1 half-moves
7 Rb7 win in 1 half-moves
8 Ra8 loss in 18 half-moves
9 Kc8 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rc8 loss in 2 half-moves