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

EGTB: win in 4 half-moves

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