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 Re1 draw
3 Re2 draw
4 Re3 draw
5 K6b6 loss in 2 half-moves
6 K6b7 loss in 2 half-moves
7 K7b6 loss in 2 half-moves
8 K7b7 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves