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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Ka6 draw
4 Ka8 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kd2 draw
9 Ke1 draw
10 Ra2 draw
11 Ra3 draw
12 Ra4 draw
13 Rb1 draw
14 Rc1 draw
15 Ke2 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves