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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Ka6 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves