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 Ke2 win in 3 half-moves
4 Kc4 win in 5 half-moves
5 Ke3 win in 13 half-moves
6 Ka5 win in 15 half-moves
7 Ra2 win in 15 half-moves
8 Kc3 draw
9 Kd4 draw
10 Ke4 draw
11 Ra1 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves