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 Rc1 win in 1 half-moves
3 Rc2 win in 1 half-moves
4 Rc4 win in 1 half-moves
5 Rc5 win in 1 half-moves
6 Rc6 win in 1 half-moves
7 Rc7 win in 1 half-moves
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Ra8 loss in 1 half-moves
14 Rc3 loss in 1 half-moves
15 Rd8 loss in 1 half-moves