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 Rc2 draw
4 Rc3 draw
5 Rc4 draw
6 Kf1 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Kh1 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves