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 Ra8 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Re2 draw
5 Re3 draw
6 Re4 draw
7 Kaa6 loss in 2 half-moves
8 Kaa8 loss in 2 half-moves
9 Kab6 loss in 2 half-moves
10 Kab8 loss in 2 half-moves
11 Kba6 loss in 2 half-moves
12 Kba8 loss in 2 half-moves
13 Kbb6 loss in 2 half-moves
14 Kbb8 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves