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 Rf8 loss in 6 half-moves
3 Ke6 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Ke8 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Rc2 loss in 1 half-moves
21 Rc3 loss in 1 half-moves
22 Rc4 loss in 1 half-moves