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 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kg5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh1 draw
9 Kh2 draw
10 Kh5 draw
11 Kh7 draw
12 Rc3 draw
13 Rc4 draw
14 Rc5 draw
15 Rc6 draw
16 Rc7 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Rh8 draw
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rc2 loss in 2 half-moves