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

EGTB: win in 2 half-moves

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