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

EGTB: win in 6 half-moves

# move score
1 f6 win in 5 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Rd4 draw
6 Re4 draw
7 Rf3 loss in 6 half-moves
8 Rf1 loss in 2 half-moves
9 Rf2 loss in 2 half-moves
10 Rg4 loss in 2 half-moves
11 Rh4 loss in 2 half-moves