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 Kh7 loss in 6 half-moves
3 Rg8 loss in 6 half-moves
4 Kh6 loss in 4 half-moves
5 Kf6 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rh1 loss in 1 half-moves
20 Rh2 loss in 1 half-moves
21 Rh3 loss in 1 half-moves