Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Kb4 win in 5 half-moves
5 Kd7 win in 5 half-moves
6 Kb2 draw
7 Kc2 draw
8 Kd2 draw
9 Kd3 draw
10 Kd4 draw
11 Ra3 draw
12 Rb1 draw
13 Rb2 draw
14 Rb4 draw
15 Rb5 draw
16 Rb6 draw
17 Rb8 draw
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Rb7 loss in 2 half-moves