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

EGTB: win in 20 half-moves

# move score
1 Rh8 win in 19 half-moves
2 Kd5 draw
3 Kd7 draw
4 Kg3 draw
5 Kg4 draw
6 Kg5 draw
7 Kh3 draw
8 Kh5 draw
9 Rd7 draw
10 Rf8 draw
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ra8 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 Rg8 loss in 2 half-moves