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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb4 loss in 4 half-moves
4 Rb5 loss in 4 half-moves
5 Na3 loss in 2 half-moves
6 Nc3 loss in 2 half-moves
7 Nd2 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rc7 loss in 1 half-moves
15 Rg7 loss in 1 half-moves
16 Rh7 loss in 1 half-moves