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 Re7 draw
4 Rf7 draw
5 Rg7 draw
6 Ka5 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves