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

EGTB: win in 4 half-moves

# move score
1 f7 win in 3 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd3 draw
6 Rd4 draw
7 Rd5 draw
8 Rd7 draw
9 Rd8 draw
10 Re6 draw
11 Rd1 loss in 2 half-moves
12 Rd2 loss in 2 half-moves