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 Ra5 draw
3 Rb3 draw
4 Rb4 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rc5 draw
9 Rd5 draw
10 Re5 draw
11 Rf5 draw
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rh5 loss in 2 half-moves