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 Rh7 win in 9 half-moves
3 Kc8 win in 11 half-moves
4 Kd8 win in 13 half-moves
5 Ke6 win in 15 half-moves
6 Ke8 win in 15 half-moves
7 Kd6 win in 19 half-moves
8 Kc6 win in 21 half-moves
9 Ke7 win in 25 half-moves
10 Kh4 win in 25 half-moves
11 Kc7 win in 27 half-moves
12 Kh6 win in 27 half-moves
13 Ra8 draw
14 Rd8 draw
15 Kg4 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves