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

EGTB: draw

# move score
1 Rc1 draw
2 Rc2 draw
3 Rc3 draw
4 Rc7 draw
5 Rf8 draw
6 K1g1 loss in 2 half-moves
7 K1g2 loss in 2 half-moves
8 K2g1 loss in 2 half-moves
9 K2g2 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves