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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Ra1 draw
3 Rd1 draw
4 Re1 draw
5 Rf1 draw
6 Rh4 draw
7 Rh5 draw
8 Rh6 draw
9 Rh8 draw
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kdd7 loss in 2 half-moves
13 Kde7 loss in 2 half-moves
14 Ked7 loss in 2 half-moves
15 Kee7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves