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

EGTB: win in 8 half-moves

# move score
1 Ra8 win in 7 half-moves
2 Rb8 draw
3 Re1 draw
4 Re2 draw
5 Re3 draw
6 Re7 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kaa4 loss in 2 half-moves
11 Kaa6 loss in 2 half-moves
12 Kab4 loss in 2 half-moves
13 Kab6 loss in 2 half-moves
14 Kba4 loss in 2 half-moves
15 Kba6 loss in 2 half-moves
16 Kbb4 loss in 2 half-moves
17 Kbb6 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves