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 Kg1 loss in 2 half-moves
3 Kg2 loss in 2 half-moves
4 Kg3 loss in 2 half-moves
5 Kh1 loss in 2 half-moves
6 Kh3 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves
15 Rb5 loss in 1 half-moves
16 Rb6 loss in 1 half-moves
17 Rd7 loss in 1 half-moves
18 Re7 loss in 1 half-moves
19 Rf7 loss in 1 half-moves