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