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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ra4 loss in 2 half-moves
3 Rb1 loss in 2 half-moves
4 Rb2 loss in 2 half-moves
5 Rb3 loss in 2 half-moves
6 Rb5 loss in 2 half-moves
7 Rb8 loss in 2 half-moves
8 Rc4 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rh4 loss in 2 half-moves
13 Nb3 loss in 1 half-moves
14 Nc2 loss in 1 half-moves
15 Rb6 loss in 1 half-moves
16 Rf4 loss in 1 half-moves