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