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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Rg6 draw
3 Rg7 draw
4 Rg8 draw
5 Rh3 draw
6 Ke2 loss in 2 half-moves
7 Ke3 loss in 2 half-moves
8 Ke4 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kfg2 loss in 2 half-moves
12 Kg1 loss in 2 half-moves
13 Kh1 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Khg2 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves