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

EGTB: win in 2 half-moves

# move score
1 Re8 win in 1 half-moves
2 Rf1 draw
3 Rf2 draw
4 Rf3 draw
5 Ka5 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kaa7 loss in 2 half-moves
8 Kab6 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kba7 loss in 2 half-moves
12 Kbb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves