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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 Rb8 draw
3 Rg4 draw
4 Rg5 draw
5 Rg6 draw
6 Ka5 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kaa6 loss in 2 half-moves
9 Kab7 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kba6 loss in 2 half-moves
13 Kbb7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves