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 Kd4 win in 3 half-moves
5 Ke2 win in 3 half-moves
6 Rb2 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Ka2 win in 7 half-moves
9 Ka4 win in 7 half-moves
10 Kb2 win in 7 half-moves
11 Ke3 win in 7 half-moves
12 Rb1 win in 7 half-moves
13 Rc3 win in 7 half-moves
14 Kb4 win in 11 half-moves
15 Kc3 draw
16 Ke4 draw
17 Rb5 draw
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves