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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rc1 win in 1 half-moves
4 Rc4 win in 1 half-moves
5 Kc7 loss in 2 half-moves
6 Kd5 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Ke5 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Kc5 loss in 1 half-moves
15 Rc3 loss in 1 half-moves
16 Rc5 loss in 1 half-moves