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

EGTB: win in 8 half-moves

# move score
1 Ra8 win in 7 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kd4 draw
6 Kd5 draw
7 Kd6 draw
8 Ke4 draw
9 Ke6 draw
10 Kf6 draw
11 Rb8 draw
12 Rc8 draw
13 Rd8 draw
14 Re6 draw
15 Re7 draw
16 Rf8 draw
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves