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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb6 draw
5 Kb7 draw
6 Kc7 draw
7 Kd6 draw
8 Kd7 draw
9 Ra1 draw
10 Rb1 draw
11 Rf1 draw
12 Rg1 draw
13 Rh5 draw
14 Rh7 draw
15 Rh8 draw
16 Kab5 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kcb5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves