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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Ra8 win in 13 half-moves
4 Ka6 draw
5 Ka8 draw
6 Kab6 draw
7 Kb4 draw
8 Kb5 draw
9 Kb7 draw
10 Kb8 draw
11 Kc4 draw
12 Kc6 draw
13 Kcb6 draw
14 Kd4 draw
15 Rc8 draw
16 Re1 draw
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves