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 Kcd4 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Rb5 win in 3 half-moves
6 Ra5 win in 5 half-moves
7 Kb2 draw
8 Kb3 draw
9 Kb4 draw
10 Kcc4 draw
11 Ke5 draw
12 Kc6 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kdc4 loss in 2 half-moves
15 Kdd4 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves