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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Re5 win in 3 half-moves
3 Ra8 win in 5 half-moves
4 Rb8 win in 5 half-moves
5 Ka2 draw
6 Ka5 draw
7 Kaa3 draw
8 Kab4 draw
9 Kb2 draw
10 Kb5 draw
11 Kba3 draw
12 Kbb4 draw
13 Rd8 draw
14 Re1 draw
15 Re6 draw
16 Re7 draw
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves