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 Kb8 win in 9 half-moves
3 Ra2 win in 13 half-moves
4 Kd3 draw
5 Kd4 draw
6 Kd5 draw
7 Ra1 draw
8 Ra4 draw
9 Ra5 draw
10 Ra6 draw
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Kd7 loss in 1 half-moves
21 Kd8 loss in 1 half-moves