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 Kc6 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Kg6 win in 5 half-moves
5 Kh6 win in 5 half-moves
6 Rh7 win in 5 half-moves
7 Rh8 win in 5 half-moves
8 Kd7 win in 9 half-moves
9 Kb6 draw
10 Kb7 draw
11 Kb8 draw
12 Kc8 draw
13 Kd8 draw
14 Kf4 draw
15 Kf5 draw
16 Kf6 draw
17 Kg4 draw
18 Kh4 draw
19 Rh3 draw
20 Rh4 draw
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves