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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Kb5 win in 9 half-moves
3 Kc5 win in 11 half-moves
4 Ra6 win in 19 half-moves
5 Kb1 draw
6 Kb6 draw
7 Kb7 draw
8 Kc7 draw
9 Kd1 draw
10 Kd5 draw
11 Kd6 draw
12 Kd7 draw
13 Ra8 draw
14 Kb2 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kd2 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 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves