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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kd5 loss in 2 half-moves
3 Kd6 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Ke5 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Ra1 loss in 1 half-moves
16 Ra2 loss in 1 half-moves
17 Ra3 loss in 1 half-moves
18 Ra4 loss in 1 half-moves