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 Ra3 draw
3 Re3 draw
4 Rf3 draw
5 Rg3 draw
6 Rh4 draw
7 Rh5 draw
8 Rh6 draw
9 Rh7 draw
10 Rh8 draw
11 Rb3 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Rh2 loss in 2 half-moves