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 Kh1 draw
3 Kh3 draw
4 Ra6 draw
5 Rb6 draw
6 Rc6 draw
7 Rh3 draw
8 Rh5 draw
9 Rh7 draw
10 Rh8 draw
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rg6 loss in 2 half-moves