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 Rd8 win in 3 half-moves
3 Rb8 win in 7 half-moves
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb5 draw
8 Kb8 draw
9 Kbb6 draw
10 Kbc7 draw
11 Kc5 draw
12 Kc8 draw
13 Kcb6 draw
14 Kcc7 draw
15 Kd5 draw
16 Kd6 draw
17 Kd7 draw
18 Rc8 draw
19 Re1 draw
20 Re5 draw
21 Re6 draw
22 Re7 draw
23 Re2 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves