Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Re8 win in 7 half-moves
3 Rf8 win in 7 half-moves
4 Rg8 win in 7 half-moves
5 Rh8 win in 7 half-moves
6 Nf4 loss in 2 half-moves
7 Nf6 loss in 2 half-moves
8 Ng3 loss in 2 half-moves
9 Ng7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rc3 loss in 1 half-moves
18 Rc7 loss in 1 half-moves