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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kg6 draw
7 Kh5 draw
8 Kh6 draw
9 Ra7 draw
10 Rb8 draw
11 Kd8 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kh4 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves