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 Ka3 draw
3 Ka6 draw
4 Kaa4 draw
5 Kab5 draw
6 Kb3 draw
7 Kb6 draw
8 Kba4 draw
9 Kbb5 draw
10 Kc3 draw
11 Kc4 draw
12 Kc5 draw
13 Ra8 draw
14 Rb8 draw
15 Rd8 draw
16 Re1 draw
17 Rf8 draw
18 Re2 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves