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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kc7 draw
3 Kd5 draw
4 Kd7 draw
5 Ke5 draw
6 Ke7 draw
7 Rc5 draw
8 Rc7 draw
9 Ke6 loss in 4 half-moves
10 Kc5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rc1 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