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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Rd8 draw
8 Re3 draw
9 Re7 draw
10 Ka7 loss in 8 half-moves
11 Rf8 loss in 8 half-moves
12 Rb8 loss in 6 half-moves
13 Ka8 loss in 4 half-moves
14 Kb8 loss in 4 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rh8 loss in 2 half-moves