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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc5 draw
3 Kc6 draw
4 Kc7 draw
5 Ke6 draw
6 Ra8 draw
7 Rc8 draw
8 Re8 draw
9 Rf8 draw
10 Rg8 draw
11 Rh8 draw
12 Kd5 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ka1 loss in 1 half-moves
17 Ka3 loss in 1 half-moves
18 Kb1 loss in 1 half-moves
19 Kb2 loss in 1 half-moves
20 Kb3 loss in 1 half-moves
21 Rd7 loss in 1 half-moves