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 Ke7 draw
3 Ke8 draw
4 Kf7 draw
5 Kg7 draw
6 Kg8 draw
7 Rc8 draw
8 Rd4 draw
9 Rd6 draw
10 Rd7 draw
11 Re8 draw
12 Ra8 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd5 loss in 2 half-moves