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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Kc1 draw
4 Kc2 draw
5 Kd2 draw
6 Kd8 draw
7 Ke1 draw
8 Ra1 draw
9 Ra2 draw
10 Ra6 draw
11 Ra7 draw
12 Rb8 draw
13 Kc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves