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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Ra4 draw
10 Ra5 draw
11 Ra6 draw
12 Ra8 draw
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves