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

EGTB: win in 2 half-moves

# move score
1 f6 win in 1 half-moves
2 Rc1 win in 1 half-moves
3 Rc2 win in 1 half-moves
4 Rc6 win in 1 half-moves
5 Rf7 win in 5 half-moves
6 Rd7 draw
7 Re7 draw
8 Rg7 draw
9 Rh7 draw
10 Ra7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc8 loss in 2 half-moves