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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kc5 win in 7 half-moves
4 Kd5 win in 7 half-moves
5 Ra4 win in 9 half-moves
6 Kc8 win in 11 half-moves
7 Kd4 win in 11 half-moves
8 Kb3 draw
9 Kc3 draw
10 Kd3 draw
11 Ra2 draw
12 Ka7 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves