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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rf5 win in 3 half-moves
3 Rf6 win in 3 half-moves
4 Rf7 win in 3 half-moves
5 Rf8 win in 3 half-moves
6 Nc1 loss in 2 half-moves
7 Nc3 loss in 2 half-moves
8 Nd4 loss in 2 half-moves
9 Nf4 loss in 2 half-moves
10 Ng1 loss in 2 half-moves
11 Ng3 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rh2 loss in 2 half-moves
15 Rg2 loss in 1 half-moves