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

EGTB: win in 10 half-moves

# move score
1 f6 win in 9 half-moves
2 Ra7 win in 9 half-moves
3 Rb7 win in 9 half-moves
4 Rc7 win in 9 half-moves
5 Rd7 win in 9 half-moves
6 Re6 win in 13 half-moves
7 Re8 win in 13 half-moves
8 Re4 draw
9 Re5 draw
10 Rf7 loss in 12 half-moves
11 Re1 loss in 2 half-moves
12 Re2 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves