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 Kd6 win in 9 half-moves
3 Ra8 win in 9 half-moves
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc6 draw
8 Kc8 draw
9 Kd7 draw
10 Kd8 draw
11 Kg6 draw
12 Kg7 draw
13 Kg8 draw
14 Kh6 draw
15 Kh8 draw
16 Ra1 draw
17 Ra5 draw
18 Ra6 draw
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves