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 Kd2 win in 3 half-moves
3 Kdd4 win in 3 half-moves
4 Ke2 win in 3 half-moves
5 Ke4 win in 3 half-moves
6 Rc2 win in 3 half-moves
7 Rc1 win in 5 half-moves
8 Kcc4 draw
9 Kdc4 draw
10 Ke3 draw
11 Rc4 draw
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kcd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb3 loss in 2 half-moves