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 Ra8 loss in 10 half-moves
3 Rc8 loss in 10 half-moves
4 Rf8 loss in 8 half-moves
5 Ke6 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kg8 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rd7 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 Rd1 loss in 1 half-moves
21 Rd2 loss in 1 half-moves
22 Rd3 loss in 1 half-moves