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

EGTB: win in 4 half-moves

# move score
1 Kgh6 win in 3 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rg7 draw
8 Kf4 loss in 2 half-moves
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kgh4 loss in 2 half-moves
12 Kgg4 loss in 1 half-moves
13 Kgg6 loss in 1 half-moves
14 Khg4 loss in 1 half-moves
15 Khg6 loss in 1 half-moves
16 Khh4 loss in 1 half-moves
17 Khh6 loss in 1 half-moves
18 Rf7 loss in 1 half-moves
19 Rh6 loss in 1 half-moves
20 Rh8 loss in 1 half-moves