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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ka6 win in 5 half-moves
3 Kb6 win in 5 half-moves
4 Ke6 win in 5 half-moves
5 Kf6 win in 5 half-moves
6 Ra5 win in 5 half-moves
7 Kc6 win in 7 half-moves
8 Ke5 win in 7 half-moves
9 Ka8 draw
10 Kb8 draw
11 Kc7 draw
12 Kc8 draw
13 Ke4 draw
14 Kf4 draw
15 Kg4 draw
16 Kg5 draw
17 Kg6 draw
18 Ra3 draw
19 Ra4 draw
20 Ra8 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves