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 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Kc6 draw
8 Kc8 draw
9 Kd6 draw
10 Kd8 draw
11 Ke6 draw
12 Ke7 draw
13 Ke8 draw
14 Ka5 loss in 1 half-moves
15 Ka7 loss in 1 half-moves
16 Kb5 loss in 1 half-moves
17 Kb6 loss in 1 half-moves
18 Kc7 loss in 1 half-moves
19 Ra7 loss in 1 half-moves
20 Rb2 loss in 1 half-moves
21 Rc7 loss in 1 half-moves