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 Kd1 win in 3 half-moves
3 Kdc3 win in 3 half-moves
4 Kdd3 win in 3 half-moves
5 Ke1 win in 3 half-moves
6 Ke3 win in 3 half-moves
7 Rc1 win in 3 half-moves
8 Rc3 win in 3 half-moves
9 Kb3 win in 7 half-moves
10 Kd4 win in 7 half-moves
11 Rb2 win in 7 half-moves
12 Kb4 win in 9 half-moves
13 Kb5 win in 9 half-moves
14 Kcd3 win in 9 half-moves
15 Kd5 win in 9 half-moves
16 Ke2 win in 9 half-moves
17 Kc5 win in 13 half-moves
18 Ra2 win in 13 half-moves
19 Kcc3 draw