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