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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Kh7 loss in 8 half-moves
3 Rg2 loss in 8 half-moves
4 Rg3 loss in 8 half-moves
5 Rg5 loss in 8 half-moves
6 Rh4 loss in 8 half-moves
7 Rb4 loss in 4 half-moves
8 Kg7 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Ra4 loss in 1 half-moves