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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kcd6 draw
8 Kcd7 draw
9 Kcd8 draw
10 Ke6 draw
11 Ke8 draw
12 Ked6 draw
13 Ked7 draw
14 Ked8 draw
15 Kf6 draw
16 Kf7 draw
17 Kf8 draw
18 Ra1 draw
19 Ra5 draw
20 Ra6 draw
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rb7 loss in 2 half-moves