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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Kb4 win in 9 half-moves
3 Ka4 draw
4 Ka5 draw
5 Ka6 draw
6 Kb6 draw
7 Kd1 draw
8 Ke2 draw
9 Kf1 draw
10 Ra1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves