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

EGTB: draw

# move score
1 Ra3 draw
2 Ra5 draw
3 Ra6 draw
4 Rd8 draw
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Ra4 loss in 1 half-moves