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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb3 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb7 win in 1 half-moves
7 Kc7 draw
8 Kd7 draw
9 Ke7 draw
10 Ka7 loss in 1 half-moves
11 Kb7 loss in 1 half-moves
12 Kc8 loss in 1 half-moves
13 Ke8 loss in 1 half-moves
14 Rb4 loss in 1 half-moves
15 Rc8 loss in 1 half-moves