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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kb6 win in 7 half-moves
3 Kc6 win in 7 half-moves
4 Kd6 win in 7 half-moves
5 Rh5 win in 7 half-moves
6 Rd8 win in 11 half-moves
7 Rh6 win in 13 half-moves
8 Rh7 win in 13 half-moves
9 Kd7 win in 25 half-moves
10 Kb7 win in 29 half-moves
11 Rc8 win in 29 half-moves
12 Kb8 draw
13 Kc8 draw
14 Kd8 draw
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves