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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 f8=K draw
3 f8=N draw
4 Rc5 draw
5 Rd7 draw
6 Re7 draw
7 Ra7 loss in 4 half-moves
8 Rb7 loss in 4 half-moves
9 Rc1 loss in 4 half-moves
10 Rc6 loss in 4 half-moves
11 f8=B loss in 2 half-moves
12 f8=Q loss in 2 half-moves
13 f8=R loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves