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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Rg2 loss in 10 half-moves
3 Rg1 loss in 8 half-moves
4 Ke1 loss in 2 half-moves
5 Ke2 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Kf1 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rb7 loss in 1 half-moves