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

EGTB: win in 4 half-moves

# move score
1 Ka3 win in 3 half-moves
2 Kb1 win in 3 half-moves
3 Kb2 win in 3 half-moves
4 Kb3 win in 3 half-moves
5 Kc2 win in 3 half-moves
6 Kd2 win in 3 half-moves
7 Ra2 win in 7 half-moves
8 Ra3 win in 7 half-moves
9 Ka5 win in 11 half-moves
10 Kb5 win in 11 half-moves
11 Ra1 win in 21 half-moves
12 Kc3 draw
13 Kc4 draw
14 Kc5 draw
15 Kd1 draw
16 Ra8 draw
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves