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

EGTB: win in 6 half-moves

# move score
1 Ra7 win in 5 half-moves
2 Kc3 draw
3 Ra1 draw
4 Ra5 draw
5 Ra6 draw
6 Ra8 draw
7 Kb5 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Ke2 loss in 1 half-moves
24 Ke3 loss in 1 half-moves
25 Ke4 loss in 1 half-moves