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

EGTB: win in 6 half-moves

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