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

EGTB: draw

# move score
1 Kb8 draw
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Rb8 draw
6 Kb7 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves