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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf1 win in 7 half-moves
3 Rf2 win in 7 half-moves
4 Rf8 win in 7 half-moves
5 Nf5 loss in 2 half-moves
6 Nf7 loss in 2 half-moves
7 Ng4 loss in 2 half-moves
8 Ng8 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rd6 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rc6 loss in 1 half-moves