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 Kc6 loss in 2 half-moves
3 Kc7 loss in 2 half-moves
4 Kc8 loss in 2 half-moves
5 Kd4 loss in 2 half-moves
6 Kd5 loss in 2 half-moves
7 Kdd6 loss in 2 half-moves
8 Kde6 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Ked6 loss in 2 half-moves
13 Kee6 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves