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 Kc6 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Ke6 win in 5 half-moves
5 Ke7 win in 5 half-moves
6 Kf7 win in 5 half-moves
7 Ra6 win in 11 half-moves
8 Ka6 draw
9 Ka8 draw
10 Kb6 draw
11 Kc7 draw
12 Kg5 draw
13 Kg6 draw
14 Kg7 draw
15 Ra1 draw
16 Ra5 draw
17 Ra8 draw
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves