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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb1 win in 7 half-moves
3 Rb2 win in 7 half-moves
4 Rb8 win in 7 half-moves
5 Nf2 loss in 2 half-moves
6 Nf4 loss in 2 half-moves
7 Ng1 loss in 2 half-moves
8 Ng5 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rd4 loss in 1 half-moves
18 Rh4 loss in 1 half-moves