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 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke7 draw
6 Kee5 draw
7 Kef6 draw
8 Kf7 draw
9 Kfe5 draw
10 Kff6 draw
11 Kg5 draw
12 Kg6 draw
13 Ra3 draw
14 Ra4 draw
15 Ra5 draw
16 Ra6 draw
17 Ra7 draw
18 Re8 draw
19 Rf8 draw
20 Rh8 draw
21 Ke4 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Kg4 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rd8 loss in 2 half-moves