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

EGTB: win in 2 half-moves

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