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 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Kh6 draw
6 Rd2 draw
7 Rd6 draw
8 Rd7 draw
9 Re8 draw
10 Rf8 draw
11 Rc8 loss in 8 half-moves
12 Rh8 loss in 6 half-moves
13 Kh8 loss in 4 half-moves
14 Ra8 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rg8 loss in 2 half-moves