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 K6e6 draw
3 K6g6 draw
4 K7e6 draw
5 K7e7 draw
6 K7g6 draw
7 K7g7 draw
8 Rd8 draw
9 Re8 draw
10 Rg8 draw
11 Rh8 draw
12 K6e7 loss in 2 half-moves
13 K6g7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Ke8 loss in 1 half-moves
18 Kg8 loss in 1 half-moves
19 Ra8 loss in 1 half-moves
20 Rc8 loss in 1 half-moves