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 Khg5 win in 3 half-moves
3 Re1 win in 3 half-moves
4 Rg1 win in 3 half-moves
5 Ke6 draw
6 Ke7 draw
7 Kf5 draw
8 Kf7 draw
9 Kfg5 draw
10 Kg3 draw
11 Kg6 draw
12 Kg7 draw
13 Kh3 draw
14 Kh5 draw
15 Ra1 draw
16 Rf1 draw
17 Ke5 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves