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 Ra1 win in 23 half-moves
3 Rb5 win in 23 half-moves
4 Kb5 draw
5 Kd1 draw
6 Kd2 draw
7 Kd5 draw
8 Ke2 draw
9 Kf1 draw
10 Kf2 draw
11 Ra3 draw
12 Ra4 draw
13 Ra8 draw
14 Kb4 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves