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 Ka4 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kaa6 loss in 2 half-moves
9 Kab6 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kba6 loss in 2 half-moves
14 Kbb6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves