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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kcc5 win in 7 half-moves
5 Kcc7 win in 7 half-moves
6 Kcd5 win in 7 half-moves
7 Kcd7 win in 7 half-moves
8 Kdd5 win in 7 half-moves
9 Kdd7 win in 7 half-moves
10 Kdc5 win in 9 half-moves
11 Kdc7 win in 11 half-moves
12 Rb6 draw
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves