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