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

EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Kf5 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Kgg7 loss in 2 half-moves
11 Kgh7 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Khg7 loss in 2 half-moves
15 Khh7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves