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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kg4 win in 5 half-moves
3 K1g2 draw
4 K1h2 draw
5 K3g2 draw
6 K3h2 draw
7 Kg1 draw
8 Kg3 draw
9 Kh4 draw
10 Ra6 draw
11 Rb6 draw
12 Rc6 draw
13 Rd6 draw
14 Rh5 draw
15 Re6 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves