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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kg6 draw
5 Kg7 draw
6 Kh1 draw
7 Kh3 draw
8 Kh5 draw
9 Kh7 draw
10 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc4 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Rh8 draw
18 Kg3 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rc7 loss in 2 half-moves