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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Ra7 win in 5 half-moves
4 Kc6 win in 9 half-moves
5 Kc7 win in 9 half-moves
6 Ra6 win in 9 half-moves
7 Kc3 draw
8 Kd7 draw
9 Ke7 draw
10 Ra1 draw
11 Ra8 draw
12 Ka2 loss in 2 half-moves
13 Ka4 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves