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 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Ra1 draw
7 Ra2 draw
8 Ra4 draw
9 Ra5 draw
10 Ra6 draw
11 Rb8 draw
12 Ra3 loss in 2 half-moves
13 Ra7 loss in 2 half-moves