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 Ka4 win in 5 half-moves
3 Ra8 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 Rd8 win in 5 half-moves
6 Re7 win in 5 half-moves
7 Rf8 win in 5 half-moves
8 Kb3 win in 7 half-moves
9 Kb7 win in 7 half-moves
10 Kb4 win in 9 half-moves
11 Ka2 draw
12 Ka6 draw
13 Ka8 draw
14 Kb2 draw
15 Kb6 draw
16 Kb8 draw
17 Re1 draw
18 Re6 draw
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 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves