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

EGTB: draw

# move score
1 Kc1 draw
2 Re8 draw
3 Rg7 draw
4 Ka1 loss in 2 half-moves
5 Ka2 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves