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 Kf5 draw
3 Kf6 draw
4 Kf7 draw
5 Kg1 draw
6 Kg2 draw
7 Kg5 draw
8 Kg7 draw
9 Kh2 draw
10 Kh5 draw
11 Kh6 draw
12 Kh7 draw
13 Ra3 draw
14 Ra4 draw
15 Ra5 draw
16 Ra6 draw
17 Ra7 draw
18 Re8 draw
19 Rf8 draw
20 Rg8 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves