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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc1 draw
5 Rc2 draw
6 Rc3 draw
7 Rc4 draw
8 d8=B loss in 2 half-moves
9 d8=K loss in 2 half-moves
10 d8=N loss in 2 half-moves
11 d8=Q loss in 2 half-moves
12 d8=R loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rc8 loss in 2 half-moves