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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Ke6 draw
3 Ke7 draw
4 Ke8 draw
5 Kf6 draw
6 Kg1 draw
7 Kg2 draw
8 Kg3 draw
9 Kg6 draw
10 Kg7 draw
11 Kg8 draw
12 Kh1 draw
13 Kh3 draw
14 Rc8 draw
15 Rd8 draw
16 Re8 draw
17 Rg8 draw
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves