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 Kg7 loss in 16 half-moves
3 Kg8 loss in 16 half-moves
4 Rh8 loss in 16 half-moves
5 Kh8 loss in 14 half-moves
6 Rf7 loss in 14 half-moves
7 Rg8 loss in 12 half-moves
8 Rf6 loss in 10 half-moves
9 Kg6 loss in 4 half-moves
10 Kh6 loss in 4 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves