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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 draw
3 Rh1 draw
4 Ka4 loss in 2 half-moves
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kaa6 loss in 2 half-moves
8 Kab6 loss in 2 half-moves
9 Kb4 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 Kbb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 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 Rg8 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 Rh3 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves