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 Kg5 win in 3 half-moves
3 Kg7 win in 3 half-moves
4 Kg8 win in 3 half-moves
5 Kh4 win in 3 half-moves
6 Kh8 win in 3 half-moves
7 K5g6 draw
8 K5h6 draw
9 K7g6 draw
10 K7h6 draw
11 Rc1 draw
12 Rg1 draw
13 Rh2 draw
14 Rh3 draw
15 Rh4 draw
16 Ra1 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves