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

EGTB: win in 4 half-moves

# move score
1 Kc2 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Kd3 win in 11 half-moves
4 Ra3 win in 11 half-moves
5 Rb1 win in 11 half-moves
6 Ka3 draw
7 Ka5 draw
8 Kb2 draw
9 Kd2 draw
10 Rb4 draw
11 Rb8 draw
12 Kab4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kcb4 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves