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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kd2 draw
3 Ke2 draw
4 Kf1 draw
5 Kf2 draw
6 Ra2 draw
7 Kd1 loss in 6 half-moves
8 Ra4 loss in 4 half-moves
9 Ra8 loss in 4 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Ra3 loss in 1 half-moves