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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Rc1 win in 11 half-moves
3 Kb6 win in 13 half-moves
4 Kb5 win in 15 half-moves
5 Kc5 win in 15 half-moves
6 Ra1 win in 19 half-moves
7 Kb7 draw
8 Kc7 draw
9 Kd5 draw
10 Kd6 draw
11 Kd7 draw
12 Ke1 draw
13 Ke2 draw
14 Rb4 draw
15 Rb6 draw
16 Kc2 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves