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

EGTB: draw

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