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

EGTB: win in 2 half-moves

# move score
1 Rb6 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 Rf6 win in 1 half-moves
6 Rg6 win in 1 half-moves
7 Rh6 win in 1 half-moves
8 Ra6 loss in 2 half-moves
9 Rc3 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves