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

EGTB: draw

# move score
1 Rc6 draw
2 Rd5 draw
3 Re5 draw
4 Rf5 draw
5 K1b1 loss in 2 half-moves
6 K1b2 loss in 2 half-moves
7 K2b1 loss in 2 half-moves
8 K2b2 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves