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

EGTB: win in 6 half-moves

# move score
1 Kb8 win in 5 half-moves
2 Rb8 win in 5 half-moves
3 Ke6 win in 7 half-moves
4 Kd5 draw
5 Kd6 draw
6 Kd8 draw
7 Kf4 draw
8 Kf5 draw
9 Kf6 draw
10 Ra3 draw
11 Ra4 draw
12 Ra5 draw
13 Ra6 draw
14 Kb7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra7 loss in 2 half-moves