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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kb6 draw
6 Kc1 draw
7 Kc3 draw
8 Kd1 draw
9 Kd2 draw
10 Kd3 draw
11 Kd6 draw
12 Ra2 draw
13 Ra8 draw
14 Kb5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra7 loss in 2 half-moves