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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Kb1 win in 7 half-moves
3 Ra4 win in 7 half-moves
4 Ra6 win in 11 half-moves
5 Ra7 win in 11 half-moves
6 Kc3 draw
7 Kd3 draw
8 Kd4 draw
9 Kd5 draw
10 Ra3 draw
11 Ra8 draw
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Kd1 loss in 1 half-moves
21 Kd2 loss in 1 half-moves