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 Kc6 draw
6 Kc7 draw
7 Kc8 draw
8 Kd6 draw
9 Ke7 draw
10 Rb8 draw
11 Rc8 draw
12 Re8 draw
13 Rf8 draw
14 Rg8 draw
15 Ke6 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Rh8 loss in 1 half-moves