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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Ra3 loss in 4 half-moves
4 Rd3 loss in 4 half-moves
5 Nb5 loss in 2 half-moves
6 Nc6 loss in 2 half-moves
7 Nc8 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Re5 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Re2 loss in 1 half-moves
15 Re6 loss in 1 half-moves
16 Re8 loss in 1 half-moves
17 Rg3 loss in 1 half-moves