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 Rg5 loss in 6 half-moves
3 Rg6 loss in 6 half-moves
4 Rg7 loss in 6 half-moves
5 Kf7 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kh7 loss in 2 half-moves
9 Kh8 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rg2 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rh4 loss in 2 half-moves
14 Rb4 loss in 1 half-moves
15 Rc4 loss in 1 half-moves
16 Rd4 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves