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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc2 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ra3 draw
11 Ra4 draw
12 Ra5 draw
13 Ra6 draw
14 Ra7 draw
15 Ra8 draw
16 Ka1 loss in 2 half-moves
17 Ka3 loss in 2 half-moves
18 Kb1 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kc1 loss in 2 half-moves
21 Kc3 loss in 2 half-moves
22 Ra1 loss in 2 half-moves