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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Rh4 loss in 12 half-moves
3 Kf6 loss in 2 half-moves
4 Kf7 loss in 2 half-moves
5 Kf8 loss in 2 half-moves
6 Kg6 loss in 2 half-moves
7 Kg8 loss in 2 half-moves
8 Kh6 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Kh8 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Ra4 loss in 1 half-moves
15 Rb4 loss in 1 half-moves
16 Rc4 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Rg1 loss in 1 half-moves
19 Rg2 loss in 1 half-moves
20 Rg3 loss in 1 half-moves