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