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

EGTB: draw

# move score
1 Rb7 draw
2 Rc7 draw
3 Rd7 draw
4 Re4 draw
5 Kg1 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kh2 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Re2 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves