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 Ra8 draw
3 Rb4 draw
4 Rb7 draw
5 Rf8 draw
6 Rc8 loss in 6 half-moves
7 Rd8 loss in 6 half-moves
8 Re8 loss in 6 half-moves
9 Rb5 loss in 4 half-moves
10 Rb6 loss in 4 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves