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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kb3 win in 5 half-moves
3 Kb6 win in 5 half-moves
4 Kc6 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Ra8 win in 5 half-moves
7 Kb7 win in 7 half-moves
8 Ra6 win in 9 half-moves
9 Kb8 draw
10 Kc8 draw
11 Kd3 draw
12 Kd6 draw
13 Kd7 draw
14 Kd8 draw
15 Ra1 draw
16 Ra2 draw
17 Kb2 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves