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 Kc4 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Kdd4 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Kc3 win in 5 half-moves
7 Rc3 win in 5 half-moves
8 Kde3 draw
9 Ke2 draw
10 Ked4 draw
11 Kee3 draw
12 Kf3 draw
13 Kf4 draw
14 Ra3 draw
15 Rb1 draw
16 Rb4 draw
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves