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 Rb2 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rc4 win in 1 half-moves
5 Rd4 win in 1 half-moves
6 Re4 win in 1 half-moves
7 Rf4 win in 1 half-moves
8 Rg4 win in 3 half-moves
9 Rh4 win in 3 half-moves
10 Ra4 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves