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

EGTB: draw

# move score
1 Rc6 draw
2 Rc7 draw
3 Rc8 draw
4 Kd1 loss in 6 half-moves
5 Ra1 loss in 4 half-moves
6 Rb1 loss in 4 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 Rc3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rd1 loss in 2 half-moves