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