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 Kd4 draw
6 Kd5 draw
7 Ke4 draw
8 Kf4 draw
9 Kf5 draw
10 Kf6 draw
11 Rb8 draw
12 Rd8 draw
13 Re6 draw
14 Re7 draw
15 Rf8 draw
16 Rg8 draw
17 Rh8 draw
18 Kd6 loss in 1 half-moves
19 Ke6 loss in 1 half-moves
20 Rc8 loss in 1 half-moves