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

EGTB: win in 8 half-moves

# move score
1 Rb8 win in 7 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc5 draw
6 Kc6 draw
7 Kc7 draw
8 Kd5 draw
9 Kd7 draw
10 Ra8 draw
11 Rc8 draw
12 Rd7 draw
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves