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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rf1 win in 7 half-moves
3 Rf2 win in 7 half-moves
4 Rf3 win in 7 half-moves
5 Nb2 loss in 2 half-moves
6 Nc3 loss in 2 half-moves
7 Ne3 loss in 2 half-moves
8 Nf2 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rc7 loss in 1 half-moves