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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Rb1 win in 5 half-moves
3 Kb1 win in 9 half-moves
4 Kb4 win in 9 half-moves
5 Kb5 win in 9 half-moves
6 Ra5 win in 9 half-moves
7 Ra7 win in 13 half-moves
8 Kb6 draw
9 Kc4 draw
10 Kc6 draw
11 Kd4 draw
12 Kd5 draw
13 Kd6 draw
14 Ra3 draw
15 Ra4 draw
16 Ra8 draw
17 Kb2 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kd1 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Ra2 loss in 2 half-moves