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

EGTB: win in 6 half-moves

# move score
1 Ka7 win in 5 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc1 draw
5 Kc2 draw
6 Kd2 draw
7 Ke1 draw
8 Ke2 draw
9 Ra2 draw
10 Ra3 draw
11 Ra4 draw
12 Ra5 draw
13 Ra6 draw
14 Rb1 draw
15 Rc1 draw
16 Ra7 loss in 2 half-moves