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

EGTB: win in 10 half-moves

# move score
1 Rh4 win in 9 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Kh4 draw
8 Kh6 draw
9 Ra1 draw
10 Rh2 draw
11 Rh3 draw
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves