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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Ka4 loss in 2 half-moves
5 Ka6 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kb5 loss in 1 half-moves
9 Kd7 loss in 1 half-moves
10 Kd8 loss in 1 half-moves
11 Ke7 loss in 1 half-moves
12 Kf7 loss in 1 half-moves
13 Kf8 loss in 1 half-moves
14 Ra6 loss in 1 half-moves
15 Ra7 loss in 1 half-moves