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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Rg5 draw
4 Ka7 loss in 2 half-moves
5 Ke1 loss in 2 half-moves
6 Ke2 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Rg2 loss in 2 half-moves
10 Rg3 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rg6 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh1 loss in 2 half-moves