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

EGTB: win in 4 half-moves

# move score
1 Kd4 win in 3 half-moves
2 Kd3 win in 7 half-moves
3 Kd5 win in 7 half-moves
4 Kbc3 win in 9 half-moves
5 Kbc5 win in 9 half-moves
6 Kcc3 win in 9 half-moves
7 Kcc5 win in 9 half-moves
8 Ka5 win in 11 half-moves
9 Ka3 win in 15 half-moves
10 Kbb3 draw
11 Kbb5 draw
12 Kcb3 draw
13 Kcb5 draw
14 Ra1 loss in 2 half-moves
15 Ra2 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
20 Ra8 loss in 2 half-moves