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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Kb5 win in 3 half-moves
5 Kc3 win in 3 half-moves
6 Kd3 win in 3 half-moves
7 Ka2 win in 5 half-moves
8 Kc2 win in 5 half-moves
9 Ra2 win in 5 half-moves
10 Kd4 win in 7 half-moves
11 Kc1 win in 9 half-moves
12 Kd5 win in 9 half-moves
13 Kc5 win in 11 half-moves
14 Ra4 win in 11 half-moves
15 Ra8 draw
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