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 Kf8 win in 3 half-moves
3 Ke4 loss in 2 half-moves
4 Ke5 loss in 2 half-moves
5 Ke6 loss in 2 half-moves
6 Kf4 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kff6 loss in 2 half-moves
9 Kfg6 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kgf6 loss in 2 half-moves
13 Kgg6 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Kh8 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves