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

EGTB: win in 10 half-moves

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