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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Rc8 win in 5 half-moves
3 Rf3 draw
4 Ka6 loss in 2 half-moves
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kbb6 loss in 2 half-moves
8 Kbb8 loss in 2 half-moves
9 Kbc6 loss in 2 half-moves
10 Kbc8 loss in 2 half-moves
11 Kcb6 loss in 2 half-moves
12 Kcb8 loss in 2 half-moves
13 Kcc6 loss in 2 half-moves
14 Kcc8 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves