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