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 Re7 draw
3 Rf1 draw
4 Rf2 draw
5 Rf6 draw
6 Rg7 draw
7 Rh7 draw
8 g1=B loss in 2 half-moves
9 g1=K loss in 2 half-moves
10 g1=N loss in 2 half-moves
11 g1=Q loss in 2 half-moves
12 g1=R loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf8 loss in 2 half-moves