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

EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Rc8 win in 11 half-moves
3 Rf8 draw
4 Rg2 draw
5 Ka5 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Kbb5 loss in 2 half-moves
9 Kbb7 loss in 2 half-moves
10 Kbc5 loss in 2 half-moves
11 Kbc7 loss in 2 half-moves
12 Kcb5 loss in 2 half-moves
13 Kcb7 loss in 2 half-moves
14 Kcc5 loss in 2 half-moves
15 Kcc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves