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

EGTB: win in 4 half-moves

# move score
1 Kh5 win in 3 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kg7 draw
5 Kh2 draw
6 Kh7 draw
7 Ra4 draw
8 Re4 draw
9 Rh2 draw
10 Rh3 draw
11 Rh5 draw
12 Kg5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves