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 Rb8 win in 3 half-moves
3 Rb1 win in 7 half-moves
4 Rb2 win in 7 half-moves
5 Rb3 win in 7 half-moves
6 Rb4 win in 7 half-moves
7 Nf2 loss in 2 half-moves
8 Ng3 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Rd6 loss in 1 half-moves
16 Rf6 loss in 1 half-moves