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

EGTB: win in 3 half-moves

# move score
1 f7 win in 2 half-moves
2 Ra8 win in 4 half-moves
3 Rb5 win in 4 half-moves
4 Rb6 win in 4 half-moves
5 Rb7 win in 4 half-moves
6 Rc8 win in 5 half-moves
7 Rb4 win in 6 half-moves
8 Rd8 win in 6 half-moves
9 Rf8 win in 6 half-moves
10 Rh8 win in 6 half-moves
11 Rb3 win in 7 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves