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

EGTB: draw

# move score
1 Rc4 draw
2 Rc5 draw
3 Kc2 loss in 2 half-moves
4 Kd2 loss in 2 half-moves
5 Ke1 loss in 2 half-moves
6 Ke2 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rc6 loss in 1 half-moves