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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 K6a7 draw
3 K6b7 draw
4 K8a7 draw
5 K8b7 draw
6 Ka5 draw
7 Kb5 draw
8 Ra1 draw
9 Rb1 draw
10 Rc1 draw
11 Rg1 draw
12 Rh2 draw
13 Rh3 draw
14 Rh7 draw
15 Kb6 loss in 2 half-moves
16 Kb8 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 Rh4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh6 loss in 2 half-moves