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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kb1 win in 9 half-moves
3 Kb2 win in 9 half-moves
4 Kb5 win in 9 half-moves
5 Kc2 win in 9 half-moves
6 Kd2 win in 11 half-moves
7 Ra1 win in 11 half-moves
8 Kd1 draw
9 Kd5 draw
10 Ra8 draw
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves