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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kh1 loss in 4 half-moves
3 Kh2 loss in 4 half-moves
4 Ra1 loss in 4 half-moves
5 Ra2 loss in 4 half-moves
6 Ra3 loss in 4 half-moves
7 Ra4 loss in 4 half-moves
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 1 half-moves
17 Re7 loss in 1 half-moves
18 Rf7 loss in 1 half-moves
19 Rh7 loss in 1 half-moves