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 Kg7 draw
3 Kg8 draw
4 Kh7 draw
5 Ra8 draw
6 Rc8 draw
7 Rd7 draw
8 Rf8 draw
9 Rd1 loss in 2 half-moves
10 Rd2 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rd4 loss in 1 half-moves
15 Rd5 loss in 1 half-moves
16 Rd6 loss in 1 half-moves