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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Ra8 win in 11 half-moves
4 Kb6 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ke7 draw
11 Ke8 draw
12 Kf7 draw
13 Kg7 draw
14 Kg8 draw
15 Ra1 draw
16 Ra5 draw
17 Ra6 draw
18 Rb7 draw
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves