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 Ra8 draw
3 Rd1 draw
4 Rd4 draw
5 Rd5 draw
6 Rd6 draw
7 Rf8 draw
8 Rh8 draw
9 Ke5 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kfg5 loss in 2 half-moves
15 Kfg6 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Khg5 loss in 2 half-moves
21 Khg6 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re8 loss in 2 half-moves