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

EGTB: draw

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