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

EGTB: draw

# move score
1 Ra8 draw
2 Rb8 draw
3 Rc4 draw
4 Rc5 draw
5 Rc6 draw
6 Rc7 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 K1b1 loss in 2 half-moves
11 K1b2 loss in 2 half-moves
12 K2b1 loss in 2 half-moves
13 K2b2 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves