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

EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 K3a4 draw
3 K3b4 draw
4 K5a4 draw
5 K5b4 draw
6 Ka2 draw
7 Ka6 draw
8 Kb2 draw
9 Kb3 draw
10 Kb5 draw
11 Kb6 draw
12 Ra8 draw
13 Rc8 draw
14 Rd8 draw
15 Re1 draw
16 Re2 draw
17 Re3 draw
18 Re7 draw
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves