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 Rd5 win in 1 half-moves
3 Rd6 win in 1 half-moves
4 Kd7 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Rd1 loss in 1 half-moves
12 Rd2 loss in 1 half-moves
13 Rd3 loss in 1 half-moves
14 Rd4 loss in 1 half-moves