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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kb5 draw
5 Kc5 draw
6 Kc7 draw
7 Kcd7 draw
8 Kd8 draw
9 Ke7 draw
10 Ked7 draw
11 Kf7 draw
12 Kf8 draw
13 Ra2 draw
14 Ra7 draw
15 Ra8 draw
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves