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

EGTB: draw

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