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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rg6 loss in 6 half-moves
3 Ke5 loss in 2 half-moves
4 Ke6 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Kf5 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rb8 loss in 1 half-moves