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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Ra8 loss in 4 half-moves
4 Nb4 loss in 2 half-moves
5 Nb8 loss in 2 half-moves
6 Nc5 loss in 2 half-moves
7 Nc7 loss in 2 half-moves
8 Rd2 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Rd5 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Rd1 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Rd6 loss in 1 half-moves