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 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Kb8 loss in 2 half-moves
6 Kcd7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ked7 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Kb7 loss in 1 half-moves
20 Kc7 loss in 1 half-moves