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

EGTB: win in 8 half-moves

# move score
1 Kb5 win in 7 half-moves
2 Kb6 win in 7 half-moves
3 Rb7 win in 7 half-moves
4 Kb4 win in 15 half-moves
5 Kc4 draw
6 Kc7 draw
7 Kcc6 draw
8 Kcd6 draw
9 Ke7 draw
10 Ra1 draw
11 Ra5 draw
12 Rc7 draw
13 Kc8 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Kdc6 loss in 2 half-moves
18 Kdd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra8 loss in 2 half-moves