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

EGTB: win in 10 half-moves

# move score
1 Rb8 win in 9 half-moves
2 Ra8 draw
3 Rg2 draw
4 Rh8 draw
5 Kaa4 loss in 2 half-moves
6 Kaa6 loss in 2 half-moves
7 Kab4 loss in 2 half-moves
8 Kab6 loss in 2 half-moves
9 Kba4 loss in 2 half-moves
10 Kba6 loss in 2 half-moves
11 Kbb4 loss in 2 half-moves
12 Kbb6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rg7 loss in 2 half-moves