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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ra8 win in 9 half-moves
3 Kd6 win in 11 half-moves
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc6 draw
8 Kc8 draw
9 Kd7 draw
10 Kd8 draw
11 Kf7 draw
12 Kf8 draw
13 Kg7 draw
14 Kh7 draw
15 Kh8 draw
16 Ra2 draw
17 Ra3 draw
18 Ra5 draw
19 Ra6 draw
20 Ra1 loss in 2 half-moves
21 Ra4 loss in 2 half-moves