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 Kb6 win in 3 half-moves
4 Kcc4 win in 7 half-moves
5 Kcc6 win in 7 half-moves
6 Kdc4 win in 7 half-moves
7 Kdc6 win in 7 half-moves
8 Kdd4 win in 7 half-moves
9 Kdd6 win in 7 half-moves
10 Kcd4 win in 9 half-moves
11 Kcd6 win in 9 half-moves
12 Ke4 win in 9 half-moves
13 Ke5 win in 9 half-moves
14 Ke6 win in 9 half-moves
15 Ra7 win in 9 half-moves
16 Ra8 win in 9 half-moves
17 Ra1 draw
18 Rb5 draw
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra6 loss in 2 half-moves