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

EGTB: win in 6 half-moves

# move score
1 Kc4 win in 5 half-moves
2 Kc3 win in 25 half-moves
3 Kb8 draw
4 Kc2 draw
5 Kd2 draw
6 Kd4 draw
7 Kd8 draw
8 Ra3 draw
9 Ra5 draw
10 Rb8 draw
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves