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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Re4 win in 1 half-moves
5 Rg4 win in 3 half-moves
6 Ra4 loss in 2 half-moves
7 Rb2 loss in 2 half-moves
8 Rd4 loss in 2 half-moves
9 Rf4 loss in 2 half-moves
10 Rh4 loss in 2 half-moves
11 b6 loss in 1 half-moves