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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kf6 loss in 12 half-moves
3 Kf7 loss in 10 half-moves
4 Rg8 loss in 6 half-moves
5 Kg6 loss in 2 half-moves
6 Kg8 loss in 2 half-moves
7 Kh6 loss in 2 half-moves
8 Kh7 loss in 2 half-moves
9 Kh8 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rf2 loss in 1 half-moves
20 Rf3 loss in 1 half-moves
21 Rf4 loss in 1 half-moves