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

EGTB: win in 18 half-moves

# move score
1 Rh8 win in 17 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke4 draw
6 Ke7 draw
7 Ke8 draw
8 Kg4 draw
9 Rg4 draw
10 Rh6 draw
11 Ke3 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh7 loss in 2 half-moves