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

EGTB: win in 2 half-moves

# move score
1 Rc3 win in 1 half-moves
2 Rc4 draw
3 Rc5 draw
4 Ra1 loss in 4 half-moves
5 Rb1 loss in 4 half-moves
6 Kd1 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd1 loss in 2 half-moves