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 Kb5 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kcd5 loss in 2 half-moves
8 Kcd6 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ked5 loss in 2 half-moves
14 Ked6 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves
23 Kb7 loss in 1 half-moves