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 Rc8 win in 3 half-moves
3 Re6 win in 3 half-moves
4 Rb8 win in 5 half-moves
5 Re1 win in 5 half-moves
6 Ka1 draw
7 Ka2 draw
8 Ka4 draw
9 Ka5 draw
10 Ka6 draw
11 Kb2 draw
12 Kb4 draw
13 Kb6 draw
14 Rd8 draw
15 Re5 draw
16 Re7 draw
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 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