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

EGTB: win in 12 half-moves

# move score
1 Ra2 win in 11 half-moves
2 Kb4 draw
3 Kd1 draw
4 Kd2 draw
5 Ke2 draw
6 Kf1 draw
7 Kf2 draw
8 Ra1 draw
9 Ra3 draw
10 Ra8 draw
11 Rb4 draw
12 Kb3 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves