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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kc8 draw
3 Kd6 draw
4 Kd8 draw
5 Ke6 draw
6 Ke7 draw
7 Ke8 draw
8 Ra7 draw
9 Rb7 draw
10 Rc5 draw
11 Rc6 draw
12 Kc6 loss in 12 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rc8 loss in 2 half-moves