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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc5 draw
9 Kc7 draw
10 Kd5 draw
11 Kd6 draw
12 Kd7 draw
13 Rb8 draw
14 Rc8 draw
15 Rd8 draw
16 Re1 draw
17 Re2 draw
18 Re3 draw
19 Re7 draw
20 Rf8 draw
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves