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

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Ra8 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh2 draw
10 Rh3 draw
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rh5 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Rh7 loss in 2 half-moves