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