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

EGTB: win in 6 half-moves

# move score
1 Ra6 win in 5 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc8 draw
5 Kcd7 draw
6 Kcd8 draw
7 Ke7 draw
8 Ked7 draw
9 Ked8 draw
10 Kf7 draw
11 Kf8 draw
12 Ra1 draw
13 Ra5 draw
14 Ra8 draw
15 Kb6 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb7 loss in 2 half-moves