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 Rc3 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Rc7 win in 1 half-moves
5 Rf8 win in 1 half-moves
6 Rg8 win in 1 half-moves
7 Ra8 loss in 2 half-moves
8 Rc1 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves