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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Kg5 win in 5 half-moves
3 Kg4 win in 7 half-moves
4 Ke6 win in 11 half-moves
5 Ke7 win in 11 half-moves
6 Rg8 win in 11 half-moves
7 Kh5 win in 15 half-moves
8 Rh7 win in 17 half-moves
9 Kd7 win in 19 half-moves
10 Kc5 draw
11 Kc6 draw
12 Kc7 draw
13 Kd5 draw
14 Ke5 draw
15 Kh3 draw
16 Rb8 draw
17 Rd8 draw
18 Rh6 draw
19 Kg3 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves