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 Rh8 win in 3 half-moves
3 Rh7 win in 5 half-moves
4 Ka8 draw
5 Kb7 draw
6 Kb8 draw
7 Kd7 draw
8 Kd8 draw
9 Ke8 draw
10 Kf7 draw
11 Kf8 draw
12 Ra1 draw
13 Re1 draw
14 Rf1 draw
15 Rg1 draw
16 Rh5 draw
17 Ka6 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 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