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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 loss in 8 half-moves
3 Nb4 loss in 2 half-moves
4 Nb8 loss in 2 half-moves
5 Nc5 loss in 2 half-moves
6 Nc7 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rf6 loss in 1 half-moves