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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Kg6 win in 5 half-moves
4 Kg7 win in 5 half-moves
5 Kd8 draw
6 Ke5 draw
7 Ke6 draw
8 Ke7 draw
9 Kf5 draw
10 Kf7 draw
11 Ra4 draw
12 Ra6 draw
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves