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

EGTB: win in 12 half-moves

# move score
1 Rg8 win in 11 half-moves
2 Kf3 draw
3 Kg3 draw
4 Kgg1 draw
5 Kgh2 draw
6 Kh3 draw
7 Khg1 draw
8 Khh2 draw
9 Ra8 draw
10 Re4 draw
11 Re5 draw
12 Re6 draw
13 Re7 draw
14 Rf8 draw
15 Rh8 draw
16 Kf1 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves