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 Rf7 loss in 8 half-moves
3 Rh7 loss in 8 half-moves
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Ra2 loss in 1 half-moves
17 Ra3 loss in 1 half-moves
18 Ra4 loss in 1 half-moves
19 Ra5 loss in 1 half-moves